Merge "core: Remove 'Data Retrieval API'"

UPGRADE.txt

apps/app_meetme.c

apps/app_queue.c

apps/app_voicemail.c

channels/chan_dahdi.c

channels/chan_iax2.c

channels/chan_sip.c

include/asterisk/_private.h

include/asterisk/channel.h

include/asterisk/data.h

include/asterisk/indications.h

main/asterisk.c

main/cdr.c

main/channel.c

main/channel_internal_api.c

main/data.c

main/indications.c

main/pbx.c

res/res_odbc.c