Add tests to completely cover Entity model
Add coveralls
Make Coveralls play nicely with SimpleCov
Remove unnecessary Comment ability code
Add tests for Authentication#find_by_provider_and_uid
Remove non-OS specific gems
Avoid require instead of if conditions for OS-specific gems
Add test for Event#venue
Add test for subevents venues for Event#venues
Improve Event#venues to remove duplicate venues
Add Drei to FAQ