adding photos and initial tests
added model and migration outlines
finished first draft of tests
model/migration setup
finished models/migrations
Merge pull request #1 from dce2956/creating_tests

Reviewed tests with the team, merging into master!
adding merged files for model
merged controller specs and model setup
Merge branch 'master' of https://github.com/dce2956/liltwitter into quynh
still confused but slightly less