Releasing 1.0.1

Version 1.0.1: fixed a bug on the resize event
Moved files from root to version1 folder and from usingPictureMarkup to rood, and made paths coherent
Added local images path to test script offline
Updated URL to version1 folder
Image sizes in demo page are now coherent
added splitAndTrim function for script readability
Rolled back splitAndTrim function because it was performing worse
Refactoring: getSrcSetHash uses direct string instead of parsing to integer and converting back to string
Updated version to 2.0.0
Changed back (window) to (this)
Moved external/matchMedia.js to version1 folder, now it's useless
Added feature detection for IE7/8 and workaround to make picturePolyfill work in those browsers too
Just a small refactoring
All the module variables are now assigned in the initialize function
Added minified js file
Merge branch 'version2'
Merge branch 'master' into gh-pages
Updated demo page