Context menu "add new timer" entry and pause/stop icons
** add new timer **
- The menu item is named 'Add new alarm'
- After clicking on it, it open the 'Add new alarm' dialog
- Then the user fills dialog with timer details
- Finally user save the timer for future.
Inprovment:
- Step 4 , user can choose between a) saving the timer for future and running it immediately b) running the timer immediately without saving
** play/pause icons**
Related to #14 (closed)