Fix a broken link in docs.
Pull occupancy status name into a define.
Fix logic in emulator to actually drop the data rate down.
Remove unnecessary CTS state check that caused flow control deadlock.

Fixed #122.
Remove resolved TODO.
Move function above first use in bootstrap.
Bump for 3.2.1 patch release.
Push code at the same time we push tags when releasing.
Merge branch 'next' into v4.0

Conflicts:
	CHANGELOG.mkd
	README.rst
	docs/conf.py
	docs/index.rst
	docs/platforms/ford.rst
	src/canemulator.cpp
	src/main.cpp
	src/platform/lpc17xx/uart.cpp
	src/shared_handlers.cpp
Fix stray incorrect version in docs.
Merge branch 'next' into v4.0

Conflicts:
	docs/conf.py