Bump up the version of PDF.js to
d45d7bc16128e3783ad29d16f3315add8f224265.

Include new mandatory dependencies for enabling
the text layer.
Expose PDFjs plugin information.
update webodf to d4f50bd320b8bc8dcb14ab315114fa208b664c67
implement version overruling
add version information to the main-dir in release zip-file
build-vebosity: add version information
Merge pull request #26 from adityab/update-ci-pdfjs

Updates for PDFjs, WebODF, and making it CI-friendly