Changes:
#5552 Creates/refactors PDFPageView class
#5603 Use Content-Range instead of Content-Length #5512
#5618 Version 1.0.1040
#5606 Add a |textlayerrendered| event
#5600 Implement guards for stringToBytes and bytesToString
#5622 Move the |pagerendered| event to pdf_page_view.js
#5554 Refactors getDocument and adds PDFDataRangeTransport.
#5632 Fixes B2G file open sequence.
#5627 Whitelists 'tel' schema.
#5631 Refactor searching for end of inline (EI) JPEG image streams
#5624 Base64 example and be more flexible what type of data is passed
#5638 Fix thumbnail scaling regression for files with different page sizes (issue 5637)
#5641 Prevent setting |isStandardFont| to |undefined| for non-embedded fonts
#5639 Attempt to display the File size quicker in the Document Properties dialog (PR 5554 followup)
#5646 Amend the docs for |disableAutoFetch| to mention that streaming must also be disabled
#5619 Chrome extension: Add options page
#5567 Add marker segment (PLT, PLM) and refactor TLM
#5659 Fix thumbnail rendering regression, when using |draw|, for PDF files with blend modes (issue 5637)
#5660 Fill temporary canvases with a white background too
#5511 Bug 639134 - update check for document colors
#5610 Better thumbnail image scaling
#5596 Fix border sizes around thumbnails
#5588 Remove unused anchor links placed before every page
#5671 Remove unused index.html.template
#5674 Avoid getting |childNodes| twice in PDFPageView_reset, by using the variable instead
#5672 Remove unused viewer-snippet-b2g-activity-header.html
#5675 Remove obselete file from .gitignore
#5669 Avoid out of range array access in JBIG2 decoder
#5673 Refactor the thumbnail code
#5679 Refactor the outline code
#5678 Refactor the attachment code
#5684 Make sure that an A entry in an annotation dictionary is also a dictionary itself
#5691 Use the |shadow| function from src/shared/util.js in viewer.js
#5634 Add support for TrueType (0, 0) cmap tables (issue 5501, issue 5574, and bug 1037973)
#5651 Try to skip mapping of missing TrueType and CIDFontType2 glyphs
#5717 Test case for issue 5567
#5729 Fix CCITTStream regression by byte-aligning rows before checking EOL marker
#5703 Relax the |isSymbolicFont| check for TrueType (3, 1) cmap tables (issue 5701)
#5743 Only skip the |!isSymbolicFont| check for TrueType (3, 1) cmap tables if no previous cmap table was found (PR 5703 followup)