[corat-coret] reinstall postgresql 9.4 ke 9.5

pg_dropcluster --stop 9.4 main
apt-get --purge remove postgresql-*
rm -Rf /etc/postgresql /var/lib/postgresql
echo "deb http://apt.postgresql.org/pub/repos/apt/ jessie-pgdg main" >> /etc/apt/sources.list
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
apt-get update
apt-get install postgresql-9.5 postgresql-client-9.5
apt-get install php5-pgsql