fixed from/to-handling in cluster
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel
start transactions on coordinator
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel
do not throw on shutdown