Serve a file if in wiki.
Allow nested files in wiki.
Remove empty line.
Fix styling issues.
Add tests for wiki files showing.
A bit clearer naming for gollum_wiki.
Change gitlab:test task

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Use stub in testing.
Merge branch 'files_in_wiki' into 'master'

Add support to show files from wiki repository on wiki pages
Merge branch 'master' of github.com:gitlabhq/gitlabhq