fix issues with glance scripts

- glance was using wrong var name for admin_password
- also missing "\" in several places, breaking multi-line crudini
  commands.
- glance was using wrong tenant name
- in the registry container, glance-manage appears to reference
  glance-api.conf

Change-Id: I280d1db3ed576988f2bf29ea665e1922a37f8752
wait for required services before trying to use them

Change-Id: Ic54e945ee6fe469eb5de127b4d8bab9696896511
hautoproxy testing with keystone

Change-Id: I908c53b62fff91b3ec7312175be14c709a1d6fd0