Add syncval param to all calls from Parsoid to MediaWiki
Add cb to MW api.php requess
Merge commit 'f359548f04e7397118327aed6e17283537762ae6' into attempt2

Conflicts:
	js/lib/mediawiki.ApiRequest.js
Add sftp-config.json to gitignore.
VE-190: backwards compatibility fixes for MW 1.19
VE-190: linting and whitespace.
Make Parsoid give us data that item is a video
starting work on photo attribution
Added tests to Parsoid for mwVideo handling
Use one regex to catch cases of both: Image and Video
LinkHandler now adding attribution info to data-mw