Long press gesture recognizers for cells using :long_press_action
Updates based on Jamon's recommendations.
Move the on_long_press method out of the cocoa touch methods section.
Move longpressable to a module
Create fake test with todo notes for longpressable
Copy/paste typo
Merge branch 'refs/heads/pm2' into tablescreen-longpress

* refs/heads/pm2:
  TableViewCellModule cleanup
  Should fix travis errors
  Minor cleanup to tables
Merge pull request #450 from clearsightstudio/tablescreen-longpress

TableScreen long press action