add descriptor fields and field flags classes
Descriptor field changes. Get linux compile to work. Rerun astyle.
fix linux warnings (32-bit at ones at least)
generic field reading bugfixes
Merge pull request #118 from andrew-elder/staging

add class for describing descriptor field names and flag names
MSVC system, use new for buffer alloc, as it will throw allocation errors

This patch also fixes intermittent heap corruption if wpcap ever happens
to capture a frame of size greater than 2048 for some reason.
controller_imp: check framesize before copying to payload
Merge pull request #120 from andrew-elder/staging

MSVC system cleanups - fixes observed crashes
Merge pull request #119 from audioscience/staging

add string represention of descriptor fields