Create restore_gitlabs-bitnami.sh

# This script is intended to restore a Bitnami gitlabs stack to a new machine
# from a gzip'd tarball into /opt/$VERSION
#
# Backup your existing configuration like so:
# $ tar -zcf gitlab-6.2.2-0.tar.gz /opt/gitlab-6.2.2-0/
# Be sure to follow the naming convention above