Create postgresql-9.2.4 vendor binary for Heroku xxx buildpack
wget http://ftp.postgresql.org/pub/source/v9.2.4/postgresql-9.2.4.tar.bz2
tar xjf postgresql-9.2.4.tar.bz2
vulcan create
vulcan build -v -n postgresql-9.2.4 -s ./postgresql-9.2.4 -c "./configure --prefix /app/vendor/postgresql-9.2.4 --enable-thread-safety --without-docdir --with-openssl && make install"