Gemfile: add :x64_mingw platform (aka RubyInstaller x64)

git-svn-id: http://svn.redmine.org/redmine@13651 e93f8b46-1217-0410-a6f0-8f06a7374b81
replace ruby.exe to ruby at bin/ files

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

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

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

git-svn-id: http://svn.redmine.org/redmine@13656 e93f8b46-1217-0410-a6f0-8f06a7374b81
Removed duplicated code.

git-svn-id: http://svn.redmine.org/redmine@13657 e93f8b46-1217-0410-a6f0-8f06a7374b81
Removed useless local variable.

git-svn-id: http://svn.redmine.org/redmine@13658 e93f8b46-1217-0410-a6f0-8f06a7374b81
Use of PRE tag in issue description results in wrapped text (#18464).

git-svn-id: http://svn.redmine.org/redmine@13659 e93f8b46-1217-0410-a6f0-8f06a7374b81
Error raised on project settings after project wiki is deleted (#18429).

git-svn-id: http://svn.redmine.org/redmine@13660 e93f8b46-1217-0410-a6f0-8f06a7374b81
Fixed "First argument in form cannot contain nil or be empty" error (#18275).

git-svn-id: http://svn.redmine.org/redmine@13661 e93f8b46-1217-0410-a6f0-8f06a7374b81