Updated changelog and package.json to new version 1.8.0

CHANGELOG.md

@@ -1,4 +1,6 @@
-# 1.8.0 (unreleased)
+# 1.8.0 (2014-09-22)
+
+Read this [blog post](http://grafana.org/blog/2014/09/11/grafana-1-8-0-rc1-released.html) for an overview of all improvements.
 
 **Fixes**
 - [Issue #802](https://github.com/grafana/grafana/issues/802). Annotations: Fix when using InfluxDB datasource

package.json

@@ -4,7 +4,7 @@
     "company": "Coding Instinct AB"
   },
   "name": "grafana",
-  "version": "1.8.0-rc1",
+  "version": "1.8.0",
   "repository": {
     "type": "git",
     "url": "http://github.com/torkelo/grafana.git"