Skip dump and import tests on the cluster because they cannot work.
Really deactivate a test that cannot work on the cluster.
Split shell-any tests to save time on the cluster.
Enable SSL on cluster.
Do not remove logs directory after ruby tests.
Use separate configurations for coordinator and dbservers.
removed unnecessary authorization handon
Merge branch '2.0' of ssh://github.com/triAGENS/ArangoDB into 2.0