Better stylesheet parsing

New style sheet parsing.
To be evaluated.
Need a solution for ie8 and older.
Ie9 ie10 works fine.

Need help even for addSvgTransform not working on ie9 ( not related to this PR and already in the trunk :( )

Visual effect:

![image](https://cloud.githubusercontent.com/assets/1194048/3643669/36dffc74-10d7-11e4-8195-ac7b65f2565e.png)