Haven 0.2.0 alpha 2 (dev/test build)

e2ca365 update to build 115
b937479 more improvements to video recording
72011b8 add blank drawable to clear out detection overlay
f095929 enscure motion detect sensivity is updated as the user changes it
7070dbb re-use the MotionDetector, and other improvements
625cab5 lock to portrait since CameraView requires that
68ce40e update start button to be more visible
4431fd0 handle the view logs / deactivate button as expected
2654119 ensure Event delete and undo is working as expected
2acb1be address #313 (don't unbind service more than once!) and refactor Preview to CameraViewHolder
85de67b sensor alerts should only be recorded if monitoring is active (a tester noticed camera events were being stored during countdown)
b1b6d94 Add Picture-in-Picture support to keep the camera alive in the background