1. Minor modification in _muludiv64 calls to ensure result is always accurate
2. Make sure dragging the thumb before the start of the playback does not result in putting the thumb at the end of playback
[[ Bug 13261 ]] Return modified lock area when locking pixels
[[ Bug 13264 ]] App crashes when showing referenced images on Android devices
[[ Bug 13261 ]] Update OSX stacksurface
[[ Bug 13121 ]] Fixed memory leak when releasing the player without removing the observer first
Merge remote-tracking branch 'panos/bugfix-13257' into bugfix-13257
Merge branch 'bugfix-13257' into develop
Merge branch 'develop' of https://github.com/runrev/livecode into develop
Merge remote-tracking branch 'panos/bugfix-13121' into bugfix-13121
Merge branch 'bugfix-13121' into develop
Merge remote-tracking branch 'sebastien/bugfix-13264' into bugfix-13264
Merge branch 'bugfix-13264' into develop
Merge remote-tracking branch 'ian/bugfix-13261' into bugfix-13261
Merge branch 'bugfix-13261' into develop
Update IDE submodule and release notes.
Correct incorrect release note name.
Merge branch 'develop' of https://www.github.com/runrev/livecode into refactor-syntax_6_7_rc_1_merge

Conflicts:
	ide