Merge pull request #108 from audioscience/staging

Staging
Windows build requirement is now Visual Studio 2013 or later
Merge pull request #113 from andrew-elder/master

Windows build requirement is now Visual Studio 2013 or later
Merge pull request #115 from audioscience/staging

Update background descriptor reading
Merge pull request #117 from audioscience/staging

From staging - add external port descriptors
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
Changes utility class to a namespace
Utility now lies under avdecc_lib namespace
readme updates for Windows
Merge pull request #122 from andrew-elder/staging

readme updates for Windows
Merge pull request #121 from ajwlucas/staging

Replaces utility virtual class with its own namespace
configuration update to how descriptors are stored