cm: World Phone support

* combine apns
* leave cdma/gsm files intact but empty until the calls
* are removed from devices cm.mk

Change-Id: I0686ef4ee1fe9b34ac9beaaa2bd43555234f4f6d

Conflicts:
	config/cdma.mk
	config/common_full_phone.mk
	config/common_mini_phone.mk
	config/gsm.mk
	prebuilt/common/etc/apns-conf-cdma.xml
	prebuilt/common/etc/apns-conf.xml

Change-Id: I6c549df9376f429ec93f95bcb81954a005300da0
Bulk APN update from @cyanogemod, thanks & mucho respecto

Change-Id: I2b3052c100354bcfd71cb9a544de8c64812099a7