added headless option to pyneal to avoid needing the setup GUI Merge branch 'pyneal_devel'
added headless option to pyneal to avoid needing the setup GUI
Merge branch 'pyneal_devel'

jeffmacinnes/pyneal,jeffmacinnes/pyneal,jeffmacinnes/pyneal,jeffmacinnes/pyneal,jeffmacinnes/pyneal