Updated mediawiki/extensions
Project: mediawiki/extensions/Parsoid  6240c197999872407478f975f152e4388021f698

(Bug 49765) Fix RTing of newlines around comments

* Self-explanatory comments in the file.
* The tests in the bug report now pass in edit mode.
  They used to fail only with --editMode true.
* 8 more selser tests pass -- blacklist updated.

Change-Id: Ifa13f93906f09c6d7d019e6b652d11fa48ca2420