Fixed issues in tests after updating routes

- Add full_name to repos fixture
- Change the way repos#show was called(use full_name instead of
- user_name and repo_name)
Removed comment about mounting sextant [ci skip]
Merge pull request #156 from prathamesh-sonpatki/remove-comment

Remove comment about sextant in routes.rb
Merge pull request #155 from prathamesh-sonpatki/fix-build

Fixed issues in tests after updating routes
private can be nil also, so checking for *only* false fails in that case