Merged r5620 from trunk.
Simplified Chinese translation updated by Sam Qiu.
Fix a typo in Czech localization (#8285, #7390).
Simplified Chinese translation updated by Sam Qiu (#8286).
scm: code clean up app/views/projects/settings/_repository.rhtml.
scm: code clean up RepositoriesHelper.
scm: code clean up RepositoriesController.
Merged r5614 from trunk.
Fix a typo in public/help/wiki_syntax_detailed.html.
scm: space cleanup in unit repository test.
Fix typos in public/help/wiki_syntax_detailed.html.
Merged r5611 from trunk.
Fix potential Execution After Redirect bugs.
Execution After Redirect (EAR) happens when redirect in a controller is triggered but there still is code that is executed in the action.
