Refactoring code to use RequireJS
Loading effects with requireJS

- Effects are now loaded with requireJS
- Separated imgEditor from main.js file
- Separated some GUI functions from main.js file
- Updated README
- Added local copy of jQuery, in case CDN version is down
Added some color effects, improved blur
Merge branch 'requireJS'

Conflicts:
	README.md
	index.html
	src/main.js