update deps to Elasticsearch 1.1 (latest)
Fix simple class names and API calling conventions
percolate API changed, deprecated gateway snapshot api
Merge branch 'testing_testing' - add delays to make some convergences pass.
Merge branch 'testing_testing'
Merge branch 'patch-1'
Use "_all" when deleting all indices.

You must specify _all when deleting all indices, per https://github.com/elasticsearch/elasticsearch/issues/5164.
Much of Elasticsearch 1.0 now requires "_all" instead of "" to perform an operation against everything.
Merge pull request #42 from martinb3/master

Bump to support elasticsearch 1.1.1