Add FreeBSD 10.1-RELEASE to man.cgi.
Update 10.0-STABLE -> 10.1-STABLE.
Set the default manual page path to 10.1-RELEASE.

Sponsored by:	The FreeBSD Foundation


git-svn-id: svn+ssh://svn.freebsd.org/doc/head@45848 c2e8774f-c49f-e111-b436-862b2bbc8956