apk updates

latest as of today.

 Changes to be committed:
	modified:   configs/common.mk
	modified:   prebuilt/common/app/NovaLauncher.apk
	modified:   prebuilt/gapps/system/app/Books.apk
	new file:   prebuilt/gapps/system/app/Calendar.apk
	deleted:    prebuilt/gapps/system/app/CalendarGoogle.apk
	modified:   prebuilt/gapps/system/app/Chrome.apk
	modified:   prebuilt/gapps/system/app/Currents.apk
	renamed:    prebuilt/gapps/system/app/GoogleDrive.apk -> prebuilt/gapps/system/app/Drive.apk
	new file:   prebuilt/gapps/system/app/Ears.apk
	new file:   prebuilt/gapps/system/app/Earth.apk
	new file:   prebuilt/gapps/system/app/Finance.apk
	new file:   prebuilt/gapps/system/app/Gmail.apk
	deleted:    prebuilt/gapps/system/app/Gmail2.apk
	deleted:    prebuilt/gapps/system/app/GoogleEars.apk
	deleted:    prebuilt/gapps/system/app/GoogleEarth.apk
	modified:   prebuilt/gapps/system/app/Magazines.apk
	modified:   prebuilt/gapps/system/app/Maps.apk
	renamed:    prebuilt/gapps/system/app/Music2.apk -> prebuilt/gapps/system/app/Music.apk
	new file:   prebuilt/gapps/system/app/MusicFX.apk
	new file:   prebuilt/gapps/system/app/Reader.apk
	modified:   prebuilt/gapps/system/app/Talkback.apk
	modified:   prebuilt/gapps/system/app/Velvet.apk
	new file:   prebuilt/gapps/system/app/Videos.apk
	renamed:    prebuilt/gapps/system/app/GoogleVoice.apk -> prebuilt/gapps/system/app/Voice.apk
	modified:   prebuilt/gapps/system/app/YouTube.apk