fetch commands for server from agency
use X-Etcd-Index header
renamed sharding to cluster
Finally all GraphViewer Tests added and running under phantomjs and added to automatic test
better error detection
fixed invalid include
fixed arangom with new etcd API
failover handling for agency connections
added comment
added configure option --enable-cluster
added JS bindings for agency
Adjust arangom.in to Version 1.0 of Sharding.md.
Very first incomplete draft of ClusterComm.

Note that this is not yet in the Makefiles, but it at least compiles
if one puts it there.
added agency tests
fixed comments
Merge branch 'sharding' of https://github.com/triAGENS/ArangoDB into sharding
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into sharding
added agency test
css fix
Added test to reset the colourlist on attribute change