Paint patterns relative to content base transformation.
Merge pull request #3506 from brendandahl/base-transform

Paint patterns relative to content base transformation.
Create only one instance of each device colorspace.
[CSP] removes inlined styles and scripts
[CSP] remove HTTP CSP Headers
Fixing CFF checksum for test font
Keep current scroll position when zooming the document
Incrementally render by sending the operator list by chunks as they're ready.
Merge pull request #3526 from yurydelendik/cffchecksum

Fixing CFF checksum for test font
Merge pull request #3461 from brendandahl/incremental-rendering2

Incrementally render by sending the operator list by chunks as they're ready.
Move chars to glyphs conversion to the worker.
Fix issue with initial scale when opening a new file and another one is already loaded
Merge pull request #3513 from Snuffleupagus/keep-scroll-position-on-zoom-v2

Keep current scroll position when zooming the document
Faster JBIG2 decoding for Firefox
Prevent link borders from being drawn if their width is undefined
Merge pull request #3535 from Snuffleupagus/issue-3534

Fix issue with initial scale when opening a new file and another one is already loaded
Remove MozTT reference
Merge pull request #3540 from alivedise/byebyemoztt

Remove MozTT reference
Fixed german translation for sidebar
Backout of #3513 (except formatting)