New Style for notifications

This is an optimistic PR which takes my previous work from #106 and adds the new style for notifications from #33 

Please just test the notfications, the other stuff i reviewed in  #106 , the commit of interest is:
https://github.com/robertkowalski/couchdb-fauxton/commit/e9ccf2151a3b49d975f280c12531a10ab0c70c3f

![red-error](https://cloud.githubusercontent.com/assets/298166/4757184/7e45f94c-5ad3-11e4-8ea2-fa0294ecc0c9.png)
![green-success](https://cloud.githubusercontent.com/assets/298166/4757190/8316a700-5ad3-11e4-8e70-e6ca11c46afd.png)