Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  88b3a8fc77b4890441c7c985ecf4c4123b4a6147

Update database

* Update flow.sql to match expected database structure
* Delete duplicate tables.
* Fix issue with space between /*_*/ and flow_text.

Change-Id: I3cea6898d40ed982d1f603357deb9ba29c9d4f35