some changes...

this pr is a BIG change from me for you :-)

- change friend and group stuff to simple mvvm usage
- styling
- cleartype issue

![2014-07-05_16h22_21](https://cloud.githubusercontent.com/assets/658431/3486763/47c5edca-0450-11e4-9448-a6f2d2a7db56.png)
![2014-07-05_16h23_25](https://cloud.githubusercontent.com/assets/658431/3486764/4ac147fe-0450-11e4-832e-f0d59c482d54.png)
![2014-07-05_16h23_32](https://cloud.githubusercontent.com/assets/658431/3486765/4c058242-0450-11e4-8ac7-b3e3a168a875.png)
![2014-07-05_16h23_37](https://cloud.githubusercontent.com/assets/658431/3486768/4e48ea3a-0450-11e4-993a-c94ca4774b85.png)
![2014-07-05_16h23_43](https://cloud.githubusercontent.com/assets/658431/3486769/4f554b1c-0450-11e4-8a94-2a73d2c8deb3.png)