Adjustments to container actions

fixes [MLHR-1144](https://malhar.atlassian.net/browse/MLHR-1144):

- kill all => kill selected
- select active, select all active but app master
- added color and icon for "allocated" state

![image](https://cloud.githubusercontent.com/assets/1390651/3121430/5031f6ae-e75c-11e3-86fb-daf609f807d2.png)
![image](https://cloud.githubusercontent.com/assets/1390651/3121438/564e8d90-e75c-11e3-8303-f24ba5f75d4c.png)