replace ruby.exe to ruby at bin/ files

git-svn-id: http://svn.redmine.org/redmine/trunk@13652 e93f8b46-1217-0410-a6f0-8f06a7374b81
use English at integration IssuesTest#test_issue_with_user_custom_field

git-svn-id: http://svn.redmine.org/redmine/trunk@13653 e93f8b46-1217-0410-a6f0-8f06a7374b81
Gemfile: add :x64_mingw platform missing in r13651

git-svn-id: http://svn.redmine.org/redmine/trunk@13654 e93f8b46-1217-0410-a6f0-8f06a7374b81
German translation updated by Daniel Felix (#18438)

git-svn-id: http://svn.redmine.org/redmine/trunk@13655 e93f8b46-1217-0410-a6f0-8f06a7374b81
Use named routes or helpers.

git-svn-id: http://svn.redmine.org/redmine/trunk@13656 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merge remote-tracking branch 'upstream/master'