Log Message:
-----------
Overhaul the "External Projects" chapter in the manual. Replace
the variabelist with a more concise table, add a URL for each project,
remove some orphaned projects, add PL/Py, and various other changes.
Initial patch from Robert Treat, subsequent work by Neil Conway.
Modified Files:
--------------
pgsql/doc/src/sgml:
external-projects.sgml (r1.13 -> r1.14)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/external-projects.sgml.diff?r1=1.13&r2=1.14)
xplang.sgml (r1.31 -> r1.32)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/xplang.sgml.diff?r1=1.31&r2=1.32)