Simplify alarms layouts

I refactored the alarms list. The touch feedback had an ugly margin which you can see  on the first screenshot.

### BEFORE and AFTER

![Alarm list before](https://cloud.githubusercontent.com/assets/144518/5568314/db2445b6-8f57-11e4-8a3a-19c84d84c512.png) ![Alarm list after](https://cloud.githubusercontent.com/assets/144518/5568315/dd607c46-8f57-11e4-8c2a-e9e834eb3529.png)

I also removed a lot of the layouts which I hope are not needed. Please double check.