Type for property table entries
Add a slot indicator to the property table.
Declare makePropertyArrayFromTable
Untested implementation of propertyArrayFromTable
Begin using property tables, even though they aren't finished
Moved property allocation/creation out of Lav_createNode.

We have a dedicated function for this, it's not supposed to be public really, and it only adds one line.
Sine node now makes its properties
Fix mismatch between header/source for Lav_createNode
Fixed typo: lav_PROPERTYTYPES has only one R
Other small typo fixes
Sine node now sets retval->num_properties
Updated the tests to work with changed node structure
Drastic improvement to sine node, especially when changing frequencies
Relicense as GPL.
Document tentative hrtf dataset format
mit_hrtf.py converts included dataset to an hrtf file
defined a struct for hrtf data and function to load it
Add private_hrtf.h to private_all.h
Empty function to load hrtf tables
Made function to reverse endianness of a buffer