Updated install docs and changelog

CHANGELOG.md

-# 2.0.0 (unreleased)
+# 2.0.0-Beta1 (2015-03-30)
 
 **New features**
 - [Issue #1623](https://github.com/grafana/grafana/issues/1623). Share Dashboard: Dashboard snapshot sharing (dash and data snapshot), save to local or save to public snapshot dashboard snapshots.raintank.io site

docs/sources/installation/index.md

@@ -10,14 +10,14 @@ a tar that contains all required files and binaries. If you can't find a package
 to build one your self, read [build from source](../project/building_from_source) instructions for more information.
 
 ## Ubuntu & Debian
-Start by [downloading](http://grafana.org/download/builds) the latest `.deb` package.
+Start by [downloading](http://grafana.org/download) the latest `.deb` package.
 
 To install the package:
 
     $ sudo dpkg -i grafana_latest_amd64.deb
 
 ## Redhat & Centos
-Start by [downloading](http://grafana.org/download/builds) the latest `.rpm` package.
+Start by [downloading](http://grafana.org/download) the latest `.rpm` package.
 
     $ sudo rpm -Uvh grafana-latest-1.x86_64.rpm