Removes other #respond_to?(:force_encoding).

git-svn-id: http://svn.redmine.org/redmine@13259 e93f8b46-1217-0410-a6f0-8f06a7374b81
Cleanup: removes mocha requires.

git-svn-id: http://svn.redmine.org/redmine@13260 e93f8b46-1217-0410-a6f0-8f06a7374b81
Cleanup: removes mocha requires.

git-svn-id: http://svn.redmine.org/redmine@13261 e93f8b46-1217-0410-a6f0-8f06a7374b81
Upgrade to Redcarpet 3 now that ruby1.8 support is dropped.

git-svn-id: http://svn.redmine.org/redmine@13262 e93f8b46-1217-0410-a6f0-8f06a7374b81
Removes ruby version check.

git-svn-id: http://svn.redmine.org/redmine@13263 e93f8b46-1217-0410-a6f0-8f06a7374b81
Set appropriate default language.

git-svn-id: http://svn.redmine.org/redmine@13264 e93f8b46-1217-0410-a6f0-8f06a7374b81
Raise an ArgumentError when User#allowed_to? is called with wrong context.

git-svn-id: http://svn.redmine.org/redmine@13265 e93f8b46-1217-0410-a6f0-8f06a7374b81
Removes ruby version checks.

git-svn-id: http://svn.redmine.org/redmine@13266 e93f8b46-1217-0410-a6f0-8f06a7374b81
Removed app/sweepers.

git-svn-id: http://svn.redmine.org/redmine@13267 e93f8b46-1217-0410-a6f0-8f06a7374b81