fixed a few problems of DataMan/ZeroMQ, and added a simple Transport:…

Summitdev test jobs

fixed a few problems of DataMan/ZeroMQ, and added a simple Transport::Read() API to make the hello world workflow working again

Use 4 MPI ranks on aaargh instead of the default 72

Fix check to use a clean build

Add nightly scripts for aaargh

Fix summitdev scripts

Add summitdev scripts

Fix types used for test data in C bindings

Fix python module path

Detect build image and pick dashboard script based on that

Fix zmq cmake config

Use a 2-pass approach to generate ADIOS2.config.  The first pass
generates the configurable options in the header and the second pass
configures them.  This allows for consistency in the options used and
thier ordering with respect to where they're used elsewhere.

Fixes #279

added VDS support via Engine (HDF5Mixer)

added Read() to Transport class

Add upstream FindMPI