update sauce labs browsers

* rm android
update sauce labs browsers

* rm android
rm firefox 23 on saucelabs

* on sauce labs, tests are failing on 23.0b5
* working on my mac with ff 23.0.1
add Mask.style()
fix example
rm example/main.js
fix test for ie10
v0.1.2: add the possibility to override the transition function
Merge pull request #1 from gre/master

v0.1.2: add the possibility to override the transition function
Add the possibility to override the zIndex
Merge pull request #2 from gre/zindex

Add the possibility to override the zIndex
Fix for IE8
add @gre in contributors
0.1.5 Add IE8 Support
Test the addEventListener compatibility once, use QanimationFrame
Update README and using @peutetre's require qanimationframe code
Merge pull request #3 from gre/master

IE support
update readme
fix mask
Fix race condition on Mask show/hide operations