docs(): updated install links with beta links as well

docs/sources/installation/debian.md

@@ -14,13 +14,22 @@ weight = 1
 
 Description | Download
 ------------ | -------------
-Stable .deb for Debian-based Linux | [3.1.1 (x86-64 deb)](https://grafanarel.s3.amazonaws.com/builds/grafana_3.1.1-1470047149_amd64.deb)
+Stable for Debian-based Linux | [3.1.1 (x86-64 deb)](https://grafanarel.s3.amazonaws.com/builds/grafana_3.1.1-1470047149_amd64.deb)
+Latest Beta for Debian-based Linux | [4.0.0-beta1 (x86-64 deb)](https://grafanarel.s3.amazonaws.com/builds/grafana_4.0.0-1478693311beta1_amd64.deb)
 
 ## Install Stable
 
-    $ wget https://grafanarel.s3.amazonaws.com/builds/grafana_3.1.1-1470047149_amd64.deb
+```
+$ wget https://grafanarel.s3.amazonaws.com/builds/grafana_3.1.1-1470047149_amd64.deb
+$ sudo apt-get install -y adduser libfontconfig
+$ sudo dpkg -i grafana_3.1.1-1470047149_amd64.deb
+```
+
+## Install Latest Beta
+
+    $ wget https://grafanarel.s3.amazonaws.com/builds/grafana_4.0.0-1478693311beta1_amd64.deb
     $ sudo apt-get install -y adduser libfontconfig
-    $ sudo dpkg -i grafana_3.1.1-1470047149_amd64.deb
+    $ sudo dpkg -i grafana_4.0.0-1478693311beta1_amd64.deb
 
 ## APT Repository
 

docs/sources/installation/rpm.md

@@ -14,7 +14,8 @@ weight = 2
 
 Description | Download
 ------------ | -------------
-Stable .RPM for CentOS / Fedora / OpenSuse / Redhat Linux | [3.1.1 (x86-64 rpm)](https://grafanarel.s3.amazonaws.com/builds/grafana-3.1.1-1470047149.x86_64.rpm)
+Stable for CentOS / Fedora / OpenSuse / Redhat Linux | [3.1.1 (x86-64 rpm)](https://grafanarel.s3.amazonaws.com/builds/grafana-3.1.1-1470047149.x86_64.rpm)
+Latest Beta for CentOS / Fedora / OpenSuse / Redhat Linux | [4.0.0-beta1 (x86-64 rpm)](https://grafanarel.s3.amazonaws.com/builds/grafana-4.0.0-1478693311beta1.x86_64.rpm)
 
 ## Install Stable
 
@@ -33,6 +34,21 @@ Or install manually using `rpm`.
 
     $ sudo rpm -i --nodeps grafana-3.1.1-1470047149.x86_64.rpm
 
+## Or Install Latest Beta
+
+    $ sudo yum install https://grafanarel.s3.amazonaws.com/builds/grafana-4.0.0-1478693311beta1.x86_64.rpm
+
+Or install manually using `rpm`.
+
+#### On CentOS / Fedora / Redhat:
+
+    $ sudo yum install initscripts fontconfig
+    $ sudo rpm -Uvh grafana-4.0.0-1478693311beta1.x86_64.rpm
+
+#### On OpenSuse:
+
+    $ sudo rpm -i --nodeps grafana-4.0.0-1478693311beta1.x86_64.rpm
+
 ## Install via YUM Repository
 
 Add the following to a new file at `/etc/yum.repos.d/grafana.repo`

docs/sources/installation/windows.md

@@ -13,7 +13,9 @@ weight = 3
 
 Description | Download
 ------------ | -------------
-Stable Zip package for Windows | [grafana.3.1.1.windows-x64.zip](https://grafanarel.s3.amazonaws.com/winbuilds/dist/grafana-3.1.1.windows-x64.zip)
+Latest stable package for Windows | [grafana.3.1.1.windows-x64.zip](https://grafanarel.s3.amazonaws.com/winbuilds/dist/grafana-3.1.1.windows-x64.zip)
+Latest beta package for Windows | [grafana.4.0.0-beta1.windows-x64.zip](https://grafanarel.s3.amazonaws.com/builds/grafana-4.0.0-beta1.windows-x64.zip)
+
 
 ## Configure