Added a missing comment
Small refactoring to shorten code without losing readability
Removed minified from version 1
Releasing v2.0.2 - added support for src attribute
Updated readme with info about the src attribute
Added new image formats
Improved design of HTML demo page

Improved design of HTML demo page
Adding test configuration (in progress)
Fixed a comment
Ignored local node modules and Gruntfile
Changed .gitignore file
Added a test for the cached version vs the non cached version
Added a tiny, very performing (+40%) cache to avoid re-parsing sources element at every call
Updated performance and execution sections
Releasing version 2.0.3, now 40% faster with cache
Merge branch 'master' into gh-pages

Conflicts:
	bower.json
	picturePolyfill.min.js