Add a script file used to purge keystone, removing application and related config file.
Backup the original glance config files and start a fresh install.
 Add a script file used to purge glance, removing application and related config file.
Generate some additional env variables.
Sync db and restart server after modify the db.
Add a script file used to purge nova, removing application and related config file.
Add openstack_install.sh to enable one key install.
Add openstack_uninstall.sh to enable one key uninstall.
Total mess
Merge branch 'tmp' of https://github.com/sunnycomes/openstackgeek into tmp