Changelog entries and version up to beta1

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

CHANGELOG

@@ -9,6 +9,7 @@ v 6.3.0
   - Fixed issue with 500 error when group did not exist
   - Ability to leave project
   - You can create file in repo using UI
+  - You can remove file from repo using UI
   - API: dropped default_branch attribute from project during creation
   - Project default_branch is not stored in db any more. It takes from repo now.
   - Admin broadcast messages
@@ -16,8 +17,10 @@ v 6.3.0
   - Dont show last push widget if user removed this branch
   - Fix 500 error for repos with newline in file name
   - Extended html titles
-  - API: create/update repo files
+  - API: create/update/delete repo files
   - Admin can transfer project to any namespace
+  - API: projects/all for admin users
+  - Fix recent branches order
 v 6.2.4
   - Security: Cast API private_token to string (CVE-2013-4580)

VERSION

-6.3.0.pre
+6.3.0.beta1