Try running tests with two instead of three nodes.
Merge pull request #461 from jappievw/less-es-nodes

Try running tests with two instead of three nodes.
Update Elasticsearch to 0.90.4.
Add function_score query support.
Skip geocluster-facet test if the plugin is not installed. Catch the proper exception type in \Elastica\Test\ClientTest.
Fix \Elastica\Test\Index\SettingsTest
Name resolution conflicts with Elastica/Filter/Query and Elastica/Query
Unit test fixes
Update composer file with elastica.io domain
Note fixes on namespace usage on HasChild filter
Fix change date
Add a function to check for the mapper-attachments plugin in IndexTest. Correct _waitForAllocation function name in Index\SettingsTest.
Merge branch 'update-0.90.4' into function-score

Conflicts:
	changes.txt
Merge pull request #466 from sqmk/patch-1

Name resolution conflicts with Elastica/Filter/Query and Elastica/Query
Merge branch 'master' of git://github.com/ruflin/Elastica into function-score

Conflicts:
	changes.txt
Merge pull request #463 from jlinn/function-score

Update Elasticsearch to 0.90.4.