added fragments
Replaced MainActivity
Ported over tabs
Added todo's; fixed metric iconsize problem
Added sharedPreferences; tested
Merge branch 'Tabs' of https://github.com/sumayyah/OBDEnergy into Tabs

Conflicts:

obdEnergy/src/main/java/com/example/obdenergy/obdenergy/MainActivity.jav
a
	obdEnergy/src/main/res/layout/activity_main.xml
graphs outline
make path serializable
Serialized arrays to and from SharedPrefs
start changing over to path arrays
Write JSON version of pathArray to and from SharedPrefs
Fixed Btooth communication stuff
Attempting regex fix
Writes path data to SharedPreferences as JSON string
Fixed case on MA DataComm
Merge from Tabs