Merge pull request #2397 from arangodb-helper/new_arangodb_version_3.1.2

Please upgrade to the ArangoDB Release 3.1.2

library/arangodb

@@ -12,8 +12,6 @@
 2.8.11: git://github.com/arangodb/arangodb-docker@05366cb4c6a6aab8e1ff9ca74c81b09d9a57b5b5 jessie/2.8.11
 
 
-3.1: git://github.com/arangodb/arangodb-docker@66d3eccbb2bbe85c190658d4863652c26089d1b7 jessie/3.1.1
-3.1.1: git://github.com/arangodb/arangodb-docker@66d3eccbb2bbe85c190658d4863652c26089d1b7 jessie/3.1.1
-latest: git://github.com/arangodb/arangodb-docker@66d3eccbb2bbe85c190658d4863652c26089d1b7 jessie/3.1.1
-3.0: git://github.com/arangodb/arangodb-docker@baaf2cdbbecf43b184ab45009ea01620760199b3 jessie/3.0.12
-3.0.12: git://github.com/arangodb/arangodb-docker@baaf2cdbbecf43b184ab45009ea01620760199b3 jessie/3.0.12
+3.1: git://github.com/arangodb/arangodb-docker@a38bc2a5b8aef11e8ee7fd3bcab67bc1f0ef143b jessie/3.1.2
+3.1.2: git://github.com/arangodb/arangodb-docker@a38bc2a5b8aef11e8ee7fd3bcab67bc1f0ef143b jessie/3.1.2
+latest: git://github.com/arangodb/arangodb-docker@a38bc2a5b8aef11e8ee7fd3bcab67bc1f0ef143b jessie/3.1.2