Minor bugs fixed.
Appbar replaced, null text detection.
Fix the CSP issue with web app type
Fabric.js uses Function() constructor, which is banned in privileged apps.
Full image access in canvas and replace the infeasible rotation library.
Some clean up
Merge branch 'master' of https://github.com/cookiej4u/foxCam

Conflicts:
	css/central.css
	css/editPage.css
	index.html
	js/foxcam.js
Fix CSP issue with web app type
Function() constructor used in fabric.js is banned in privileged mode.
Full image access in canvas and replace the infeasible rotation library.
Some cleanup
Merge pull request #13 from cookiej4u/master

Minor bugs fixed.