postgresql: add version 10 and use it by default

component/postgresql/buildout.cfg

@@ -8,7 +8,7 @@ extends =
 parts = postgresql
 
 [postgresql]
-<= postgresql92
+<= postgresql10
 
 [postgresql-common]
 recipe = slapos.recipe.cmmi
@@ -33,7 +33,7 @@ environment =
   CPPFLAGS=-I${zlib:location}/include -I${readline:location}/include -I${openssl:location}/include -I${ncurses:location}/lib
   LDFLAGS=-L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib -L${readline:location}/lib -Wl,-rpath=${readline:location}/lib -L${openssl:location}/lib -Wl,-rpath=${openssl:location}/lib -L${ncurses:location}/lib -Wl,-rpath=${ncurses:location}/lib -L${perl:location}/libs-c -Wl,-rpath=${perl:location}/libs-c
 
-[postgresql92]
+[postgresql10]
 <= postgresql-common
-url = http://ftp.postgresql.org/pub/source/v9.2.23/postgresql-9.2.23.tar.bz2
-md5sum = c972e32b7f17dbc652d2462b7690d116
+url = http://ftp.postgresql.org/pub/source/v10.11/postgresql-10.11.tar.bz2
+md5sum = 01c83ee159bf2a690e75e69e49fe2a1d