Release 1.0.6

Added opi
Added BNC_505.opi
Added BNC_505_Pn.opi
Added CoherentSDG.opi
Added colbyConfig.opi
Added colbyHelp.opi
Added colbyMain.opi
Added delaygen.opi
Added devDG535.opi
Added devDG535Outputs.opi
Added digDelay.opi
Added digDelayOutWord.opi
Added srsDG645.opi
Added srsDG645Iface.opi
Added srsDG645Outputs.opi

CSS-BOY displays

Modified drvAsynDG645.cpp

Installed David Kline's DG645 support code, for multiple devices

Modified drvAsynCoherentSDG.cpp
Modified drvAsynColby.cpp
Modified nigpibInterpose.c

Move epicsExport.h for win32 compatibility.

Modified drvDG645.db

fix DG645 calc expressions from using A?B to A?B:0

Modified RELEASE

Do not expand $(SUPPORT) ; include files to define SUPPORT and EPICS_BASE

Deleted RELEASE.win32-x86
Deleted RELEASE.win32-x86-debug

Not needed

Modified drvAsynDG645.cpp

Move epicsExport.h for win32 compatibility. Remove unistd.h which is not needed and is not win32 compatible. Add extern C for epicsExportRegistrar.