replace deprecated Version#completed_pourcent at lib/redmine/helpers/gantt.rb (#12724)

git-svn-id: http://svn.redmine.org/redmine/trunk@12439 e93f8b46-1217-0410-a6f0-8f06a7374b81
add stderr to config.active_support.deprecation in test and dev env

git-svn-id: http://svn.redmine.org/redmine/trunk@12440 e93f8b46-1217-0410-a6f0-8f06a7374b81
Rails4 compatibility of stylesheet_link_tag and javascript_include_tag at ApplicationHelper

git-svn-id: http://svn.redmine.org/redmine/trunk@12441 e93f8b46-1217-0410-a6f0-8f06a7374b81
Adds support for links on values for various custom field formats (#1358).

git-svn-id: http://svn.redmine.org/redmine/trunk@12442 e93f8b46-1217-0410-a6f0-8f06a7374b81
back out r12441

It is not compatible with Ruby 1.8.7.

git-svn-id: http://svn.redmine.org/redmine/trunk@12443 e93f8b46-1217-0410-a6f0-8f06a7374b81
Fixed slow SELECT ... FOR UPDATE query when deleting an issue.

git-svn-id: http://svn.redmine.org/redmine/trunk@12445 e93f8b46-1217-0410-a6f0-8f06a7374b81
Bulgarian translation updated by Ivan Cenov (#15755)

git-svn-id: http://svn.redmine.org/redmine/trunk@12446 e93f8b46-1217-0410-a6f0-8f06a7374b81