Rewrite and refactor getVisibleElements() to make it more generic - address comments by @brendandahl
Adding PlayPreview API support to pdf.js/mozilla-central
Protection from empty/invalid root or kid in NameTree
Adds unicode conversion for js code
Fixes notificationBox on Linux
Merge pull request #2962 from yurydelendik/embed-mc

Adds PlayPreview API support to pdf.js/mozilla-central
Merge pull request #2969 from yurydelendik/notificationBox

Fixes notificationBox on Linux
Merge pull request #2968 from yurydelendik/nametree

Misc NameTree/JavaScript fixes
Merge pull request #2916 from Snuffleupagus/getVisibleElements

Rewrite and refactor getVisibleElements() to make it more generic