Removed the standard properties because they're not actually standard
It is possible to read property Lav_FILE_POSITION
Untested support for seeking in files
File example is a basic console media player
File example has special logic for mono
File nodes temporarily no longer advance position

This needs infrastructure: namely, the ability to tell if we're being called from our process method.
infrastructure for telling if a property callback was caused by the processor
Update the callbackss to have the new parameter
Merge branch 'master' into libaudioverse3d