Set version to 3.1.0.

git-svn-id: http://svn.redmine.org/redmine/trunk@14378 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/version.rb

@@ -3,8 +3,8 @@ require 'rexml/document'
 module Redmine
   module VERSION #:nodoc:
     MAJOR = 3
-    MINOR = 0
-    TINY  = 3
+    MINOR = 1
+    TINY  = 0
 
     # Branch values:
     # * official release: nil