A few additions and code organization changes

additions:
	- Added the layout-land folder to hold landscape layouts for the activity
	- Added the landscape layout for the QuizActivity using a FrameLayout as the base

	==THE FOLLOWING ADDITONS WERE MADE TO QuizActivity.java==

	- Added the onSaveInstanceState method for the following variables:
		- mCurrentIndex
	- Added a Key value for mCurrentIndex

Code Organization changes:

	==THE FOLLOWING CHANGES WERE MADE TO QuizActivity.java==

	- for member variable groups, the order was changed to:
		1) View member variables 		(private)
		2) Arrays/ Collections 			(private)
		3) volitile member variables 		(private)
		4) Key values for volitile variables	(private)
		5) Tag values for LogCat messages	(private)

	- for general organization within the activity class, the order is:
		1) member variables
		2) helper methods
		3) onSaveInstanceState()
		4) onCreate()
		5) Remaining Android LifeCycle methods