docs/141636: [handbook] [patch] Updated info about Firefox in Handbook

[bcr at FreeBSD.org]

Synopsis: [handbook] [patch] Updated info about Firefox in Handbook

Responsible-Changed-From-To: bcr->freebsd-doc
Responsible-Changed-By: bcr
Responsible-Changed-When: Sun Apr 25 11:15:51 UTC 2010
Responsible-Changed-Why: 
Throw this back into the pool. I have insufficient time right now
to take care of it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=141636