Merge pull request #38 from gugod/master

If no query is passed to count(), delete the request body which makes ES run
a match_all query by default
Released v0.65
Added support for ignore_missing to get_aliases
Got TestServer working on Mac OSX
Disabled index_stats and clear_cache tests, and change fuzzy test for 0.90
Released v0.65
Use v0.90 on Travis
fix the ES_HOME path for travis-ci.