Mod: add sprints relation
Add: rails g jbuilder_scaffold_controller sprint start_date:timestamp end_date:timestamp state:integer
Rem: it's an api, just use json and stuff like that
Mod: sprints belongs to one product
Mod: stories spec
Merge branch 'devel/sprints-controller'
Add: test with ruby1.9.3 and ruby2.0 on travis-ci
Merge branch 'devel/travis-ci'