navigator scope
screen scope
screen factory code refactor
split view scope with factory
sliding_menu scope and factory
Merge branch 'feature/isolate_scope' into dev

* feature/isolate_scope:
  sliding_menu scope and factory
  split view scope with factory
  screen factory code refactor
  screen scope
  navigator scope
make it possible to specify ng-controller inside page
add grunt serve:app only watch changes to app
Merge branch 'feature/page_ng_controller' into dev

* feature/page_ng_controller:
  add grunt serve:app only watch changes to app
  make it possible to specify ng-controller inside page
make page, row, and col inherit its parent scope
update lib