Remove script update tests, they require custom ES configuration as of 1.2
Remove snapshot test: needs adapting for ES 1.2
Revert "Remove snapshot test: needs adapting for ES 1.2"

This reverts commit a12f4aa11973feaa76006142bd9705655887d461.
Depend on ElasticSearch 1.2.0
Update native snapshot API
Don't perform dynamic scripting updates in tests

Scripting is disabled by default in ES 1.2
Update return values for some aggregation tests
Proper snapshot support in native client
This test is now in snapshot_test