fix Drag & Drop does not work with Safari 5.1 (#17581, #13932)

Contributed by fred bregar.

git-svn-id: http://svn.redmine.org/redmine@13346 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merge r13116 from trunk to 2.5-stable

use rvm 2.0 and 2.1 instead of 2.0.0 and 2.1.0 at .travis.yml

See:
https://github.com/travis-ci/travis-ci/issues/2220

git-svn-id: http://svn.redmine.org/redmine@13347 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13346 from trunk to 2.5-stable (#17581, #13932)

fix Drag & Drop does not work with Safari 5.1.

Contributed by fred bregar.

git-svn-id: http://svn.redmine.org/redmine@13348 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13346 from trunk to 2.4-stable (#17581, #13932)

fix Drag & Drop does not work with Safari 5.1.

Contributed by fred bregar.

git-svn-id: http://svn.redmine.org/redmine@13349 e93f8b46-1217-0410-a6f0-8f06a7374b81
revert r13199 (#17151)

Chrome 36.0.1985.143 was released.

git-svn-id: http://svn.redmine.org/redmine@13350 e93f8b46-1217-0410-a6f0-8f06a7374b81
Move some RepositoriesController logic to Repository#stats_by_author (#13487).

git-svn-id: http://svn.redmine.org/redmine@13351 e93f8b46-1217-0410-a6f0-8f06a7374b81
Fix text failing on some rubies/sql drivers because of improper length in Change#action (#13487).

git-svn-id: http://svn.redmine.org/redmine@13352 e93f8b46-1217-0410-a6f0-8f06a7374b81
Honnor committers/users mapping in repository statistics (#13487).

git-svn-id: http://svn.redmine.org/redmine@13353 e93f8b46-1217-0410-a6f0-8f06a7374b81