Move title tags into their own line and remove preceding empty lines
from these where appropriate. No content change, so translators can
safely ignore these.

Pointed out by:	    hrs@
Pointy hat to:	    bcr@


git-svn-id: svn+ssh://svn.freebsd.org/doc/head@46052 c2e8774f-c49f-e111-b436-862b2bbc8956