Bug 10042 - Minor typo ("Communnity") in packages docs

Bug 10042 - Minor typo ("Communnity") in packages docs

VERY trivial string patch. Couldn't help sending it.

To+

Signed-off-by: Magnus Enger <magnus@enger.priv.no>
Thanks for fixing my typo! I did not test by building packages
etc, but by grepping for "Communnity". The patch removes
all occurences of the typo.

Passed-QA-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>