Merge branch 'ivas-float-update-fix-dmx-writeout-for-td-stereo' into 'ivas-float-update'

mentioned in issue #1249

mentioned in issue #1252 (closed)

mentioned in issue #1258 (closed)

mentioned in issue #1259 (closed)

mentioned in issue #1262 (closed)

mentioned in issue #1181 (closed)

mentioned in issue #1085

mentioned in issue #1267 (closed)

mentioned in issue #1268 (closed)

mentioned in issue #1275 (closed)

mentioned in issue #1286 (closed)

mentioned in issue #1287

mentioned in issue #1311 (closed)