Bug 966865 - Update pdf.js to version 0.8.997.
Bug 968996 - Bump gaiatest to 0.21.5, r=zac
Bug 969299 - Investigate intermittent fail in test_add_photo_to_contact.py
Merge pull request #16081 from viorelaioia/bug_969299

Bug 969299 - Investigate intermittent fail in test_add_photo_to_contact....
Merge pull request #16064 from jonallengriffin/gaiatest_version

Bug 968996 - Bump gaiatest to 0.21.5, r=zac
Bug 967662 - Recompress the PNG images added in bug 833401 r=kaze
Merge pull request #16075 from gabrielesvelto/bug-967662

Bug 967662 - Recompress the PNG images added in bug 833401 r=kaze
Bug 907177 - [Clock] Add integration tests

r=gaye, mcav
Merge pull request #15928 from brendandahl/pdfjs-0.8.997

Bug 966865 - Update pdf.js to version 0.8.997.