changelog: restructure and add 5.3.0-beta1 header

[skip ci]

CHANGELOG.md

@@ -1,5 +1,7 @@
 # 5.3.0 (unreleased)
 
+# 5.3.0-beta1 (2018-09-06)
+
 ### New Major Features
 
 * **Alerting**: Notification reminders [#7330](https://github.com/grafana/grafana/issues/7330), thx [@jbaublitz](https://github.com/jbaublitz)
@@ -21,19 +23,19 @@
 ### Minor
 
 * **Alerting**: Its now possible to configure the default value for how to handle errors and no data in alerting. [#10424](https://github.com/grafana/grafana/issues/10424)
+* **Alerting**: Fix diff and percent_diff reducers [#11563](https://github.com/grafana/grafana/issues/11563), thx [@jessetane](https://github.com/jessetane)
+* **Alerting**: Fix rendering timeout which could cause notifications to not be sent due to rendering timing out [#12151](https://github.com/grafana/grafana/issues/12151)
+* **Docker**: Make it possible to set a specific plugin url [#12861](https://github.com/grafana/grafana/pull/12861), thx [ClementGautier](https://github.com/ClementGautier)
 * **GrafanaCli**: Fixed issue with grafana-cli install plugin resulting in corrupt http response from source error. Fixes [#13079](https://github.com/grafana/grafana/issues/13079)
-* **Logging**: Reopen log files after receiving a SIGHUP signal [#13112](https://github.com/grafana/grafana/pull/13112), thx [@filewalkwithme](https://github.com/filewalkwithme)
-* **Api**: Delete nonexistent datasource should return 404 [#12313](https://github.com/grafana/grafana/issues/12313), thx [@AustinWinstanley](https://github.com/AustinWinstanley)
-* **Dashboard**: Fix selecting current dashboard from search should not reload dashboard [#12248](https://github.com/grafana/grafana/issues/12248)
-* **Dashboard**: Use uid when linking to dashboards internally in a dashboard [#10705](https://github.com/grafana/grafana/issues/10705)
-* **Singlestat**: Make colorization of prefix and postfix optional in singlestat [#11892](https://github.com/grafana/grafana/pull/11892), thx [@ApsOps](https://github.com/ApsOps)
+* **Provisioning**: Should allow one default datasource per organisation [#12229](https://github.com/grafana/grafana/issues/12229)
+* **Github OAuth**: Allow changes of user info at Github to be synched to Grafana when signing in [#11818](https://github.com/grafana/grafana/issues/11818), thx [@rwaweber](https://github.com/rwaweber)
+* **OAuth**: Fix overriding tls_skip_verify_insecure using environment variable [#12747](https://github.com/grafana/grafana/issues/12747), thx [@jangaraj](https://github.com/jangaraj)
 * **Prometheus**: Fix graph panel bar width issue in aligned prometheus queries [#12379](https://github.com/grafana/grafana/issues/12379)
 * **Prometheus**: Heatmap - fix unhandled error when some points are missing [#12484](https://github.com/grafana/grafana/issues/12484)
 * **Prometheus**: Add $__interval, $__interval_ms, $__range, $__range_s & $__range_ms support for dashboard and template queries [#12597](https://github.com/grafana/grafana/issues/12597) [#12882](https://github.com/grafana/grafana/issues/12882), thx [@roidelapluie](https://github.com/roidelapluie)
-* **Variables**: Skip unneeded extra query request when de-selecting variable values used for repeated panels [#8186](https://github.com/grafana/grafana/issues/8186), thx [@mtanda](https://github.com/mtanda)
-* **Variables**: Limit amount of queries executed when updating variable that other variable(s) are dependent on [#11890](https://github.com/grafana/grafana/issues/11890)
-* **Variables**: Support query variable refresh when another variable referenced in `Regex` field change its value [#12952](https://github.com/grafana/grafana/issues/12952), thx [@franciscocpg](https://github.com/franciscocpg)
-* **Variables**: Support variables in query variable `Custom all value` field [#12965](https://github.com/grafana/grafana/issues/12965), thx [@franciscocpg](https://github.com/franciscocpg)
+* **Elasticsearch**: For alerting/backend, support having index name to the right of pattern in index pattern [#12731](https://github.com/grafana/grafana/issues/12731)
+* **Graphite**: Fix for quoting of int function parameters (when using variables) [#11927](https://github.com/grafana/grafana/pull/11927)
+* **InfluxDB**: Support timeFilter in query templating for InfluxDB [#12598](https://github.com/grafana/grafana/pull/12598), thx [kichristensen](https://github.com/kichristensen)
 * **Postgres/MySQL/MSSQL**: New $__unixEpochGroup and $__unixEpochGroupAlias macros [#12892](https://github.com/grafana/grafana/issues/12892), thx [@svenklemm](https://github.com/svenklemm)
 * **Postgres/MySQL/MSSQL**: Add previous fill mode to $__timeGroup macro which will fill in previously seen value when point is missing [#12756](https://github.com/grafana/grafana/issues/12756), thx [@svenklemm](https://github.com/svenklemm)
 * **Postgres/MySQL/MSSQL**: Use floor rounding in $__timeGroup macro function [#12460](https://github.com/grafana/grafana/issues/12460), thx [@svenklemm](https://github.com/svenklemm)
@@ -43,33 +45,33 @@
 * **Postgres/MySQL/MSSQL**: Min time interval support [#13157](https://github.com/grafana/grafana/issues/13157), thx [@svenklemm](https://github.com/svenklemm)
 * **MySQL/MSSQL**: Use datetime format instead of epoch for $__timeFilter, $__timeFrom and $__timeTo macros [#11618](https://github.com/grafana/grafana/issues/11618) [#11619](https://github.com/grafana/grafana/issues/11619), thx [@AustinWinstanley](https://github.com/AustinWinstanley)
 * **Postgres**: Escape ssl mode parameter in connectionstring [#12644](https://github.com/grafana/grafana/issues/12644), thx [@yogyrahmawan](https://github.com/yogyrahmawan)
-* **Github OAuth**: Allow changes of user info at Github to be synched to Grafana when signing in [#11818](https://github.com/grafana/grafana/issues/11818), thx [@rwaweber](https://github.com/rwaweber)
-* **Alerting**: Fix diff and percent_diff reducers [#11563](https://github.com/grafana/grafana/issues/11563), thx [@jessetane](https://github.com/jessetane)
-* **Alerting**: Fix rendering timeout which could cause notifications to not be sent due to rendering timing out [#12151](https://github.com/grafana/grafana/issues/12151)
 * **Cloudwatch**: Improved error handling [#12489](https://github.com/grafana/grafana/issues/12489), thx [@mtanda](https://github.com/mtanda)
 * **Cloudwatch**: AppSync metrics and dimensions [#12300](https://github.com/grafana/grafana/issues/12300), thx [@franciscocpg](https://github.com/franciscocpg)
 * **Cloudwatch**: Direct Connect metrics and dimensions [#12762](https://github.com/grafana/grafana/pulls/12762), thx [@mindriot88](https://github.com/mindriot88)
 * **Cloudwatch**: Added BurstBalance metric to list of AWS RDS metrics [#12561](https://github.com/grafana/grafana/pulls/12561), thx [@activeshadow](https://github.com/activeshadow)
 * **Cloudwatch**: Add new Redshift metrics and dimensions [#12063](https://github.com/grafana/grafana/pulls/12063), thx [@A21z](https://github.com/A21z)
+* **Dashboard**: Fix selecting current dashboard from search should not reload dashboard [#12248](https://github.com/grafana/grafana/issues/12248)
+* **Dashboard**: Use uid when linking to dashboards internally in a dashboard [#10705](https://github.com/grafana/grafana/issues/10705)
+* **Graph**: Option to hide series from tooltip [#3341](https://github.com/grafana/grafana/issues/3341), thx [@mtanda](https://github.com/mtanda)
+* **Singlestat**: Make colorization of prefix and postfix optional in singlestat [#11892](https://github.com/grafana/grafana/pull/11892), thx [@ApsOps](https://github.com/ApsOps)
 * **Table**: Adjust header contrast for the light theme [#12668](https://github.com/grafana/grafana/issues/12668)
 * **Table**: Fix link color when using light theme and thresholds in use [#12766](https://github.com/grafana/grafana/issues/12766)
 * **Table**: Fix for useless horizontal scrollbar for table panel [#9964](https://github.com/grafana/grafana/issues/9964)
 * **Table**: Make table sorting stable when null values exist [#12362](https://github.com/grafana/grafana/pull/12362), thx [@bz2](https://github.com/bz2)
-* **Elasticsearch**: For alerting/backend, support having index name to the right of pattern in index pattern [#12731](https://github.com/grafana/grafana/issues/12731)
-* **OAuth**: Fix overriding tls_skip_verify_insecure using environment variable [#12747](https://github.com/grafana/grafana/issues/12747), thx [@jangaraj](https://github.com/jangaraj)
+* **Heatmap**: Fix broken tooltip and crosshair on Firefox [#12486](https://github.com/grafana/grafana/issues/12486)
+* **Datasource**: Fix UI issue with secret fields after updating datasource [#11270](https://github.com/grafana/grafana/issues/11270)
+* **Variables**: Skip unneeded extra query request when de-selecting variable values used for repeated panels [#8186](https://github.com/grafana/grafana/issues/8186), thx [@mtanda](https://github.com/mtanda)
+* **Variables**: Limit amount of queries executed when updating variable that other variable(s) are dependent on [#11890](https://github.com/grafana/grafana/issues/11890)
+* **Variables**: Support query variable refresh when another variable referenced in `Regex` field change its value [#12952](https://github.com/grafana/grafana/issues/12952), thx [@franciscocpg](https://github.com/franciscocpg)
+* **Variables**: Support variables in query variable `Custom all value` field [#12965](https://github.com/grafana/grafana/issues/12965), thx [@franciscocpg](https://github.com/franciscocpg)
 * **Units**: Change units to include characters for power of 2 and 3 [#12744](https://github.com/grafana/grafana/pull/12744), thx [@Worty](https://github.com/Worty)
 * **Units**: Polish złoty currency [#12691](https://github.com/grafana/grafana/pull/12691), thx [@mwegrzynek](https://github.com/mwegrzynek)
 * **Units**: Adds bitcoin axes unit. [#13125](https://github.com/grafana/grafana/pull/13125)
-* **Graph**: Option to hide series from tooltip [#3341](https://github.com/grafana/grafana/issues/3341), thx [@mtanda](https://github.com/mtanda)
+* **Api**: Delete nonexistent datasource should return 404 [#12313](https://github.com/grafana/grafana/issues/12313), thx [@AustinWinstanley](https://github.com/AustinWinstanley)
+* **Logging**: Reopen log files after receiving a SIGHUP signal [#13112](https://github.com/grafana/grafana/pull/13112), thx [@filewalkwithme](https://github.com/filewalkwithme)
+* **Login**: Show loading animation while waiting for authentication response on login [#12865](https://github.com/grafana/grafana/issues/12865)
 * **UI**: Fix iOS home screen "app" icon and Windows 10 app experience [#12752](https://github.com/grafana/grafana/issues/12752), thx [@andig](https://github.com/andig)
-* **Datasource**: Fix UI issue with secret fields after updating datasource [#11270](https://github.com/grafana/grafana/issues/11270)
 * **Plugins**: Convert URL-like text to links in plugins readme [#12843](https://github.com/grafana/grafana/pull/12843), thx [pgiraud](https://github.com/pgiraud)
-* **Docker**: Make it possible to set a specific plugin url [#12861](https://github.com/grafana/grafana/pull/12861), thx [ClementGautier](https://github.com/ClementGautier)
-* **Graphite**: Fix for quoting of int function parameters (when using variables) [#11927](https://github.com/grafana/grafana/pull/11927)
-* **InfluxDB**: Support timeFilter in query templating for InfluxDB [#12598](https://github.com/grafana/grafana/pull/12598), thx [kichristensen](https://github.com/kichristensen)
-* **Provisioning**: Should allow one default datasource per organisation [#12229](https://github.com/grafana/grafana/issues/12229)
-* **Heatmap**: Fix broken tooltip and crosshair on Firefox [#12486](https://github.com/grafana/grafana/issues/12486)
-* **Login**: Show loading animation while waiting for authentication response on login [#12865](https://github.com/grafana/grafana/issues/12865)
 
 ### Breaking changes