Webpack and v2.2.0

Merge branch 'add-tests' of https://github.com/TheCloudlessSky/raphael into TheCloudlessSky-add-tests

Fix oldschool browsers (incl. #998)

Fix #999: Gradient not filled when page's url contains "?" character

Add meta content in HTML page

Fixed Issue #1005: Add bower requirement to the dev section of README.md

Add the meta content in the HTML page to prevent "The character encoding of the HTML document was not declared" which might be caused in some browsers.

Reduce transform string to avoid long parsing times

Update package.json to point to raphael.amd.js

Fix for being able to use raphael with browserify.