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

Contributed by fred bregar.

git-svn-id: http://svn.redmine.org/redmine/trunk@13346 e93f8b46-1217-0410-a6f0-8f06a7374b81
revert r13199 (#17151)

Chrome 36.0.1985.143 was released.

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

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

git-svn-id: http://svn.redmine.org/redmine/trunk@13353 e93f8b46-1217-0410-a6f0-8f06a7374b81
add Ruby 1.9.2 to .travis.yml

git-svn-id: http://svn.redmine.org/redmine/trunk@13354 e93f8b46-1217-0410-a6f0-8f06a7374b81
ensure issue pdf test has relations (#17570)

git-svn-id: http://svn.redmine.org/redmine/trunk@13357 e93f8b46-1217-0410-a6f0-8f06a7374b81
use rbpdf gem instead of bundled rfpdf (#17570)

Contributed by Jun NAITOH.

git-svn-id: http://svn.redmine.org/redmine/trunk@13358 e93f8b46-1217-0410-a6f0-8f06a7374b81
remove general_pdf_encoding from lib/redmine/export/pdf.rb (#17570)

git-svn-id: http://svn.redmine.org/redmine/trunk@13359 e93f8b46-1217-0410-a6f0-8f06a7374b81
remove general_pdf_encoding from locale yamls (#17570)

git-svn-id: http://svn.redmine.org/redmine/trunk@13360 e93f8b46-1217-0410-a6f0-8f06a7374b81