Improoved layouts
Adapted layouts for normal and big screens.
Create README.md
Added extra menues for MainActivity, Phone, Car.
Change geolocation to action button intent icon
Added on create on destroy handling mechanisms when switching activities
Added shake functionality to return to main activity and exit app
Improoved handle of oncreate, onpause, ondestroy when switching between
activities
Added Shake ability to all main activities
improoved shake threshold