Environment Detection - should detect environments without geofences also, now
Changed float values into double
Basic implementation of passphrases.
Adding the default user (Device owner) when it's not present.
Merge branch 'environment_detection'
Merge branch 'master' of github.com:aravindsagar/SmartLockScreen
Backend code to insert passwords for users.
Merge branch 'master' into add_passphrase

Conflicts:
	app/src/main/java/com/pvsagar/smartlockscreen/baseclasses/Passphrase.java