Gets error messages working for microposts form
Updates homepage to show microposts feed and form
Adds delete link to micropost partial
Adds ability to delete microposts
ADds test to check users cant delete eachothers microposts
Adds integration test for microposts interface
Adds gems to allow picture upload for microposts
Generates picture uploader
Adds picture string to micropost db table
Adds picture uploader to micropost model
Adds image uploader to homepage
Adds picture to permitted list of params in micropost controller
Adds image to micropost partial