refresh ui to Holo, removing actionbar

Change-Id: I43c7878a787bf79bab516a8c63c81f72db4fcda6

remove lato, and use default holo background for gradient

Change-Id: I803eb8e786f360420a6f7e6124e8a88dc63d9e2b

Conflicts:

	res/drawable-hdpi/cid_cmaccount.png
	res/drawable-hdpi/cid_finished.png
	res/drawable-hdpi/cid_welcome.png
	res/drawable-hdpi/cmaccount_action_icon.png
	res/drawable-land-hdpi/cid_welcome.png
	res/drawable-land-mdpi/cid_welcome.png
	res/drawable-land-xhdpi/cid_welcome.png
	res/drawable-mdpi/cid_cmaccount.png
	res/drawable-mdpi/cid_finished.png
	res/drawable-mdpi/cid_welcome.png
	res/drawable-mdpi/cmaccount_action_icon.png
	res/drawable-xhdpi/cid_cmaccount.png
	res/drawable-xhdpi/cid_finished.png
	res/drawable-xhdpi/cid_welcome.png
	res/drawable-xhdpi/cmaccount_action_icon.png
	res/values/styles.xml