Log Message:
-----------
New async/sync multi-master headings for docs.
Modified Files:
--------------
pgsql/doc/src/sgml:
high-availability.sgml (r1.9 -> r1.10)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/high-availability.sgml.diff?r1=1.9&r2=1.10)