fixed seeker invited functionality
Merge pull request #44 from ac21/invited_fix

fixed seeker invited functionality; fixes #18
new unit tests
added annotation/tests to provider_qualifications
refactored pictures and added tests
refactored provider_profiles; added tests
fixed controller bug
Merge branch 'phase02_model_tests' of https://github.com/ac21/datenightsitter into phase02_model_tests