This brings in:
* Updates to the cmake build to support FrameCPP 2.6+
* Various startup scripts for Debian8 & Gentoo 3.0
* Daqd files updated to match branch 3.5
* Moved over the ix/zmq/mx stream work from 3.5
* The split of daq_core.h into daq_core.h & daq_core_defs.h to
centralize declarations.