Traces pdf.js version
Fixes creation of OS/2 table
Add support for more Type1 private dictionary entries.
Merge pull request #2525 from yurydelendik/version-info

Traces pdf.js version
Merge pull request #2500 from brendandahl/private-entries

Add support for more Type1 private dictionary entries.
Merge pull request #2526 from yurydelendik/create-os2

Fixes creation of OS/2 table