WIP NFC JSON Protocol Updates.
Fix gjslint flagged style rule guidelines.
Merge branch 'master' of https://git.mozilla.org/releases/gaia into nfc_json_protocol
Merge branch 'master' of ssh://github.com/svic/gaia into nfc_json_protocol
WIP 2: update funtion names to new DOM spec
Add NFC technology discovered.
Update quotes and syntax, rename disconnected to tag-lost.
Merge svic/master
Bug 895826 - Resolve lack of YT back button r=vingtetun
Bug 881152 - update pdf.js in Gaia to 0.8.352 for hdpi resolution support.
Merge pull request #11040 from RudyLu/pdfjs/update_to_0.8.352

Bug 881152 - update pdf.js in Gaia to 0.8.352 for hdpi resolution suppor...
r=vingtetun
Merge branch 'master' of https://git.mozilla.org/releases/gaia into nfc_json_protocol
Update tnf reserved to 0x07, fix quotes.
Update intermediate.
WIP: system app and nfc-demo support for new protocol.
Fix record reference.
Update nfc-demo, detais/read working.
Write now works. Fix syntax. Activity name update to nfc-ndef-discovered.
Minor debug message cleanup.
Additional fix contacts handina (vcard mimetype, parsing), general write error handling.