Use 2.2 as the default mysql_module

Change-Id: I5ec545b62ef8ac5371ca567a8a00f5ba535efceb
Hide secrets from puppet logs

Currently secrets like rabbit_password or admin_password are displayed in
puppet logs when changed. This commit changes glance_*_config and
glance_*_ini types adding a new parameter that triggers obfuscation of
the values in puppet logs.

Change-Id: I31f974a9afadef42939ee092ecba3b8f4333bb8b
Closes-Bug: #1328448