Added OSX support for setting HW sample rate and resetting when done.  Added option to allow HW to override SR without error if desired.
Added missing check for sample rate difference.
Ifdefs to run inTraverse (via the AudioDevice callback) on the real-time thread rather than in its own thread.
added these so I can compiled the Audio_Testing branch

I can't figure out how else to migrate them from the master branch to
this one.  Arg!
changed site.conf to a link to site.conf.osxapp

These are from Doug's work on syncing the ios/maxmsp/osx versions.
Link site.conf to the appropriate build.  Default is osxapp.
I AM TRYING TO GET THIS SITE.CONF TO WORK HERE!!!!!!!
First try on new input/output specification for AU.  Added better error reporting.  Changed #ifdef macros for clarity.
Merge branch 'Audio_Testing' of https://github.com/RTcmix/RTcmix into Audio_Testing
Fixed #includes.
New PVOC plugin.
Audio device stream descriptions now work for input and output.
Fixed broken sample rate set/restore for OSX.
Minor changes to some score files.
Fixer type to avoid compiler warning.
Merge branch 'Audio_Testing'