v1.2.16

Release v1.2.16

Core
 - Release v1.2.16
 - INSTALL: update compilation from git sources
 - configure: update to autoconf v2.72
ALSA Control (alsactl)
 - aplay, alsactl, topology: fix discards const from pointer target
 - Remove more generated files on "make clean"
Speaker Test
 - speaker-test: extend MAX_CHANNELS from 16 to 32
 - speaker-test: fix segfault with more than 16 channels
aconnect
 - aconnect: fix error handler for alsa-lib <= 1.2.15
alsa-info.sh
 - alsa-info.sh: remove some bashisms to allow run with busybox
alsaloop
 - alsaloop: parse_config(): align optstring order with the long options
 - alsaloop: parse_config(): handle long form --wake option
 - alsaloop: parse_config(): drop unused 'F' option
 - alsaloop: parse_config(): handle short form -B / -E options
alsatplg (topology)
 - aplay, alsactl, topology: fix discards const from pointer target
amixer
 - amixer: always use line buffering for (s)events
 - amixer: document --file option in man page
 - amixer: support --file option
 - amixer: support infinite line length for --stdin option
aplay/arecord
 - aplay, alsactl, topology: fix discards const from pointer target
 - Remove more generated files on "make clean"
 - aplay: use snprintf instead of sprintf in device_list()
gitcompile
 - gitcompile: extensions for gettext and error handling
 - configure: update to autoconf v2.72

Signed-off-by: Jaroslav Kysela <perex@perex.cz>