Adds Event model belongs to User model & rspec test
Adds task shoulda gem and test
Adds stats-user association and test
merges event association and tests
Merge pull request #4 from miteymouse/add_event_relation

Adds Event model belongs to User model & rspec test
fixes schema merge conflict
Merge branch 'master' of github.com:leotumwattana/incognito
Adds user has_many stats association
Adds User model has_many Events model & rspec test
Adds events has_many tasks
fixes merge conflict for user and user_spec
Adds events has_many tasks
Adds message model, spec and association to user and event
Adds TaskUsers join table
Adds gems rabl and oj
Adds Users json API with tests
Refactors user_spec.rb
Refactors task_spec.rb
Adds validates numericality integer_only to stat model & test
Refactors message_spec.rb