creates params for status updates
removes references to flash and error messages
creates the method in the conroller and the view form for creating new status_updates
creates the index view and partial for status updates, adds appropriate information in controller
adds belongs_to user in the status_update model
status updates now properly associate with the current user
adds some links in the layout view so that lets users sign in, signout and create a new status update
after signing in user is now redirected to index page
validates content length to under 500 characters
adds links to edit or delete updates if current user created that update
creates destroy method in the controller
adds the edit and update methods into the controller, moves the new and edit forms out into a partial
dsiplays a different message if the user tries to edit a update that isn't theirs
adds timestamps to status_updates and adds a scope that displays the most recent updates
 changes the index method of the controller so that it displays the most recent updates at the top