Reconfigure Fuel algorithm

Fixed graphs bugs; fixed database upload process so nothing null is
pushed; refectored and cleaned unnecessary code.
Merge branch 'master' into Release-version

Conflicts:

obdEnergy/src/main/java/com/example/obdenergy/obdenergy/Activities/Drive
Fragment.java

obdEnergy/src/main/java/com/example/obdenergy/obdenergy/Activities/Graph
sFragment.java

obdEnergy/src/main/java/com/example/obdenergy/obdenergy/Data/Profile.jav
a

obdEnergy/src/main/java/com/example/obdenergy/obdenergy/MainActivity.jav
a

obdEnergy/src/main/java/com/example/obdenergy/obdenergy/Utilities/Calcul
ations.java