Added calendar image if task is passed due;
Added background box (test) for the prices;
Made prices with 2 decimals (when displayed)
Merge remote-tracking branch 'origin/master'

Conflicts:
	List Manager/src/com/iceheart/listmanager/MainActivity.java
Added calendar image if task is passed due;
Added background box (test) for the prices;
Made prices with 2 decimals (when displayed)