Switch from mysql56 to mysql

mysql56.sh

#!/bin/bash

if mysql --version | grep -q "Distrib 5.6"
then
  echo "Deactivating MySQL 5.6";
  mysql.server stop
  brew unlink mysql56
  mv /usr/local/var/mysql /usr/local/var/mysql56
  mv /usr/local/var/mysql.prev /usr/local/var/mysql
  brew link mysql
else
  echo "Activating MySQL 5.6";
  mysql.server stop
  brew unlink mysql
  mv /usr/local/var/mysql /usr/local/var/mysql.prev
  mv /usr/local/var/mysql56 /usr/local/var/mysql
  brew link mysql56
fi
echo "Please reboot the machine";