Add QR code scanning features
Merge branch 'master' of https://github.com/CoderDojo/coolestprojectsapp

* 'master' of https://github.com/CoderDojo/coolestprojectsapp:
  Update activitymonitor.html
  Updated service and mysql
  form validation for empty
  Adding sql support

Conflicts:
	webapp/activitymonitor.html
	webapp/messages.html