added haml and faker gems
tests for StatusUpdate
migration to create status_updates table
fixed presence check
added presence validations for StatusUpdate
seeded with faker
added resources for status_update and root route
controller and view for index
controller and view for show
controller and view for edit
view and controller for new
views and controller for edit and buttons on index
feature spec for creating a status update
added link to create a new status update
destroy controller action
error messages flash for validations