Fix 'field phone call' functionality

Closes #6
Remove social encouragement menu item
Remove contact picker menu item
Remove show list members menu item
Remove social filters, people menu item
Remove people from quick add control set
Remove list sharing
Remove premium unlock service
Remove 'who' from beast mode
Remove unused binaries and layouts
Remove edit people control set
Add README, update gitignore
Remove wake_lock permission
Move source code

* common-src -> src
* src-legacy -> src
* plugin-src -> src