overlay: Fix Keyguard configuration

In 4.4 Keyguard has moved to a separate package
Move its config options to the proper overlay

Change-Id: I0a57874f3ef7702c6407485e98e1d10169baa0ac
Add CM Legal (1 of 2)

Allow defining a ro.cmlegal.url to for T&C and Privacy Policy

Change-Id: I45ffbdd9e472e258ed8c5a63dff0f3b9c7bc04e2
common_mini_tablet_wifionly.mk: don't try to install removed BlueZ config file

Change-Id: I91ac1dd34c9c048cda7d6b5a81ee22b2db852b49