Mass update to new documentation system
Updating and cleaning 1722.1 API and docs
Merge pull request #15 from davelxmos/master

Add more configuration options to demo app
Merge branch 'master' of https://github.com/xcore/sw_avb
Removing attempt to fool doc system into working
Adding separate defines for talker/listener max chans per stream

Also removing some old unused files
Tidying API and documentation
Fixing gitignore to ignore doc _build directory
Further updates to documentation
Modifying MVRP to register vlan on Talker

Previously only registered on Listener, which meant that on some
switches the port did not forward 1722 traffic if the Listener was
disabled.
Updating MRP_MAX_ATTRS to calculate based on stream params
Various memory optimisations across the stack.

Mainly replacing hton and hton with functions and copying small arrays
using memcpy instead of for loops.
Correcting problems with new ntoh and hton
Adding support for SliceKit in the demo app
Documentation updates
Removing unused variables
Zeroing GUID after print
Updating version string
Correcting version to beta0
'Release: 5.2.0beta0'