Update README.md
Update README.md
Create .coveralls.yml
Update Gemfile
Call Coveralls
Fix https://github.com/jbox-web/redmine_git_hosting/issues/309
Test with latest Redmine versions
Fix https://github.com/jbox-web/redmine_git_hosting/issues/305
Fix https://github.com/jbox-web/redmine_git_hosting/issues/289
Merge forgotten PR (https://github.com/jbox-web/redmine_git_hosting/commit/f757de9a466dae540701cd6f808b956ee28dd890)
Fix Travis build for Redmine 2.6.0