Moved default datacentre path back to /opt/strands
Merge pull request #14 from hawesie/hydro-devel

Moved default datacentre path back to /opt/strands
Message store queries now return meta as well as message.

This is only in the python client for now, but is simple to add to C++. This could be inefficient, so in the future potentially add non-meta options.
Merge pull request #16 from hawesie/hydro-devel

Message store queries now return meta as well as message.