Remove app.yaml, we will instead use web.xml and appengine-web.xml directly
Remove app.yaml, we will instead use web.xml and appengine-web.xml directly

* app.yaml is not well supported for java, the recommended method is to use
  web.xml and appengine-web.xml directly rather than generating them
* Specifically the appengine maven plugin does not play well with app.yaml

curtisullerich/attendance,curtisullerich/attendance,curtisullerich/attendance