Alpha Provider code for Dialogic GC
I've updated the net.sourceforge.gjtapi.test.TestCallListener so
Alpha (non-media) provider for Dialogic GlobalCall on Linux
Fixed typo in signoff email.
Added support for Dialogic GlobalCall provider
First pass at native code for a globalCall provider - Linux only
Added comment on use of sig mode.
Added settable debug level - and flag for signal mode.