updated postgres to 9.1.6 - fixes corruption issue

component/postgresql/buildout.cfg

@@ -8,8 +8,8 @@ parts = postgresql
  
 [postgresql]
 recipe = hexagonit.recipe.cmmi
-url = http://ftp.postgresql.org/pub/source/v9.1.3/postgresql-9.1.3.tar.bz2
-md5sum = 641e1915f7ebfdc9f138e4c55b6aec0e
+url = http://ftp.postgresql.org/pub/source/v9.1.6/postgresql-9.1.6.tar.bz2
+md5sum = 000755f66c0de58bbd4cd2b89b45b8e2
 configure-options = --with-openssl
 environment =
   CPPFLAGS=-I${zlib:location}/include -I${readline:location}/include -I${openssl:location}/include -I${ncurses:location}/lib