Bugfix #1550 - incorrect Quicktime image dimensions

http://www.getid3.org/phpBB3/viewtopic.php?t=1550
v1.9.6 plus additional fixes

1.9.6: [2013-06-03] James Heinrich
» getID3() is now licensed under GPL
/ LGPL / MozillaPL / gCL
  See license.txt for more details.
* Bugfix:
(#1550) Quicktime video track sample description parsed
  incorrectly
*
Bugfix: (#1550) Quicktime matrix U/V/W values calculated incorrectly
*
[demo.browse] disable edit-tag and delete-file links by default
*
Bugfix: option_max_2gb_check should issue warning not error on >2GB

plus:
* Bugfix: [module.audio-video.quicktime.php] track languages set
  with
15-bit-encoded ISO639-2 language codes not parsed correctly
* Bugfix:
(#1717) QuickTime atom hierarchy broken
* Bugfix: (#1716) truncate MIDI
file could cause infinite loop