Bumped the minimum sdk version to Lollipop
Bumped the minimum sdk version to Lollipop

JuliaSoboleva/SmartReceiptsLibrary,JuliaSoboleva/SmartReceiptsLibrary,wbaumann/SmartReceiptsLibrary,JuliaSoboleva/SmartReceiptsLibrary,wbaumann/SmartReceiptsLibrary,wbaumann/SmartReceiptsLibrary