Add Login activity. Communicates with Rcart API
Add Login activity to communicate with RCart API
Merge branch 'working' into UpdatingGas

Conflicts:
	app/src/main/AndroidManifest.xml
	app/src/main/java/com/mobico/rcart/GasStationsList.java
	app/src/main/java/com/mobico/rcart/SplashScreen.java
	app/src/main/res/values/strings.xml