Option to disable safe volume warning [1/2]

* This message appears when using headphones and listening to music
* This setting will be applied at boot, so a reboot is necessary

Change-Id: I64e097d548843ca4116373ecc44e45da95c207a8
Dark images adjustments [TRDS]

Change-Id: Ie038c4a1aa535708c23f099fb5e836407e3d1603
Improve dialogs and menu popups [TRDS]

Change-Id: I54da4ac0236dfe16ee964ccb070944206d0544e2
Consistent glow for menu dropdown and popup [TRDS]

Change-Id: I248872cbd67471495f8b95036d995f25e2ca4459
Fix remaining dialog dividers

Change-Id: I0b4d2d0706f3393933e40d9c70b62aa3c9b68ed5

Conflicts:

	core/res/res/layout/dialog_custom_title_holo.xml
	core/res/res/layout/dialog_title_holo.xml
	core/res/res/layout/dialog_title_icons_holo.xml