[CHANGELOG] Move repo sources to breaking changes

CHANGELOG.md

@@ -10,6 +10,14 @@ To install or update CocoaPods see this [guide](http://docs.cocoapods.org/guides
   should not be used. It will be removed in future versions of CocoaPods.  
   [#2449](https://github.com/CocoaPods/CocoaPods/issues/2449)
 
+* Add 'specific repo sources' support. Allows one to specify in their Podfile
+  which sources should be used to retrieve specs from and the priority order
+  thereof. For example: `source 'netbe'`, or `source 'master'`, with 'master'
+  being the default GitHub CocoaPods spec-repo.  
+  [François Benaiteau](https://github.com/netbe)
+  [#1143](https://github.com/CocoaPods/CocoaPods/pull/1143)
+  [Core#19](https://github.com/CocoaPods/Core/pull/19)
+
 * The `Pods` directory has been reorganized. This might require manual
   intervention in projects where files generated by CocoaPods have manually been
   imported into the user's project (common with the acknowledgements files).  
@@ -32,14 +40,6 @@ To install or update CocoaPods see this [guide](http://docs.cocoapods.org/guides
   [#1668](https://github.com/CocoaPods/CocoaPods/pull/1668)
   [#731](https://github.com/CocoaPods/CocoaPods/pull/731)
 
-* Add 'specific repo sources' support. Allows one to specify in their Podfile
-  which sources should be used to retrieve specs from and the priority order
-  thereof. For example: `source 'netbe'`, or `source 'master'`, with 'master'
-  being the default GitHub CocoaPods spec-repo.  
-  [François Benaiteau](https://github.com/netbe)
-  [#1143](https://github.com/CocoaPods/CocoaPods/pull/1143)
-  [Core#19](https://github.com/CocoaPods/Core/pull/19)
-
 * Add hooks for plugins. Currently only the installer hook is supported.
   A plugin can register itself to be activated after the installation with the
   following syntax: