fix failing tests
Merge pull request #123 from ChrisBr/fix_tests

fix failing tests
Extended porposal feature test
Refactoring alert message for conference controller
Implements cfp feature test
Removes rating desc column from cfp
Implements email feature test
Refactoring conference feature test
Merge pull request #124 from ChrisBr/fix_tests

Extended porposal feature test
Merge pull request #125 from ChrisBr/cfp_test

Implements cfp feature test
Merge pull request #126 from ChrisBr/delete_cfp_rating_desc

Removes rating desc column from cfp
Implements supporter levels feature test
Merge pull request #128 from ChrisBr/refactor_conf_spec

Refactoring conference feature test
Merge pull request #122 from ChrisBr/conference_alert

Conference alert
Merge pull request #127 from ChrisBr/email_test

Implements email feature test
Adds rooms feature test
Implements tracks feature test
Implements event types feature test
Merge pull request #133 from ChrisBr/supporter_levels_spec

Implements supporter levels feature test
Implements difficulty level feature test