[feature]initialize album model
[test]make tests for albums_controller pass
[feature]working on relationship between users and albums
[feature]each album should have a creator
[chore]add last_name and hidden to albums
[feature]add joins_album method to user to join into an album
Merge branch 'dev' into init_albums

Conflicts:
	db/schema.rb
Merge pull request #3 from peterzd/init_albums

Init albums