Fix typed array assignment in the |constructPostScriptFromIRResult| function (issue 5470)
Add a reduced test case for issue 5470
Merge pull request #5471 from Snuffleupagus/issue-5470

Fix typed array assignment in the |constructPostScriptFromIRResult| function (issue 5470)
Bug 1076909 - change args order in registerAddonHistogram.
Merge pull request #5428 from yurydelendik/regaddon

Bug 1076909 - change args order in registerAddonHistogram.
Add video annotation support

  Rebased from -
     https://github.com/pramodhkp/pdf.js/tree/videosupport
Use warn() instead of console.error()
Cleanup older code, write in accordance with present Annotation framework