Try to create styles for diferent devices (with small and large screen);
Changes of layout in AddTask layout;
Improvement of menu
Merge remote-tracking branch 'origin/master'

Conflicts:
	res/layout/add_task.xml
	res/menu/main_menu_activity.xml
	src/pl/byd/promand/Team4/AddTaskActivity.java
	src/pl/byd/promand/Team4/MainViewActivity.java
Merge remote-tracking branch 'origin/master'