1) Corrects various typos and spellings
2) Standardises on infrared over infra-red (both were found)
3) Standrdises on colour over color (both were found) as most
of the manual seems to use UK English spelling
Signed-off-by: Tim Wootton <tim@tee-jay.demon.co.uk>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>