changelog udpate

update this to provide generic info on how to find change information
..else we’re bundling this very-out-of-date file in each .tar downloaded

CHANGELOG

@@ -1,20 +1,13 @@
-OpenELEC (Version 2.1)
+OpenELEC CHANGELOG
+==================
 
-Changelog OpenELEC-2.0 to OpenELEC-2.1
+To view recent changes/commits to the project (master branch) please visit:
 
-Added packages:
-  - add package 'ppp'
-  - add package 'pptp'
+https://github.com/OpenELEC/OpenELEC.tv/commits/master
 
-Package updates:
-  - update linux to linux-3.5
-  - update dialog to dialog-1.1-20120215
-  - update connman to connman-1.4
+To compare commits between versions use a formatted URL like:
 
-Added functions:
-  - sshd can be enabled via OpenELEC Settings addon
-  - add PPTP support
+https://github.com/OpenELEC/OpenELEC.tv/compare/3.2.3...3.2.4
 
-Changed functions:
-
-Removed functions:
+If you have questions on differences between releases please ask them in the
+OpenELEC website forums or IRC support channel.