Updated mediawiki/extensions
Project: mediawiki/extensions/CirrusSearch  6718cab34301873696e910bf390c3009715e06cb

Add note in README about script.disable_dynamic setting

this setting needs to be set to false to allow CirrusSearch
to work together with Elasticsearch 1.2.0 and higher.

Change-Id: Ib5e57c4e628fc6d7763d10666fcaf5cf4af12c83