rt46130 is ready for 1st review. It drops dependency on libxml2. Windows
build files and README.md need update, but I'll do that when removing
libjson as a dependency.

As part of this cleanup, I've noticed bugs that I've fixed but it is
lost in the noise in the commit.

 30 files changed, 474 insertions(+), 1241 deletions(-)

		Mukund