Add convenience push script

bin/push

+#!/usr/bin/env bash
+
+set -e
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+cd ${SCRIPT_DIR}/../site/output
+rsync -rvzP * root@opentechstrategies.com:/var/www/blog
+