Merged r13208 from trunk to 2.5-stable

Gemfile: update Rails 3.2.19

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13210 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13190 (#17206).

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13214 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13219 (#3483).

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13221 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13216, r13217 (#17003).

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13222 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13220 (#17392, #17003).

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13223 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13218 (#16989).

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13224 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13213 (#16530).

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13225 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13227 (Updates for 2.5.2 release).

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13228 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merge remote-tracking branch 'upstream/2.5-stable' into ro-2-5
bundle update