Quick Settings: Option to use floating window (2/2)

Allows the option of launching preferences from the quicksettings menu in a
floating window

Change-Id: I00237f6b667d35f0e8d2cf8201f4efee6adf762c

Conflicts:
	res/values/cm_strings.xml
	res/xml/quick_settings_panel.xml
Lockscreen Notifications: Custom background color [2/2]

Change-Id: I2cf55bddf05dddf69594e8f03a94dfa87b382123

Conflicts:
	res/values/cm_strings.xml