Core: Implement EPM gripper triggering via missions
Core: Create mavlink commands to actuate the epm gripper
Android: Implement EPM grabber code on overflow menu
Android: Implement camera triggering on overflow menu
Editor: Implement the EPM detail fragment
Layout: Clean-up of the EPM and camera fragments
Merge pull request #1242 from DroidPlanner/epmGrab

Epm grabber & camera trigger