Hostname and port now configurable at runtime.  Closes #128.
Hostname and port now configurable at runtime.  Closes #128.

aashish24/tangelo,mathstuf/tangelo,ecohealthalliance/tangelo,Kitware/tangelo,mathstuf/tangelo,Kitware/tangelo,aashish24/tangelo,Kitware/tangelo,mathstuf/tangelo,ecohealthalliance/tangelo,aashish24/tangelo,ecohealthalliance/tangelo