Drop unused template

When it'll be needed for a distro, we can add it back. But in the
meantime, it's just something that will get outdated.
Merge pull request #157 from vuntz/unused-template

Drop unused template
Drop executable bits on files
Merge pull request #158 from vuntz/no+x

Drop executable bits on files
Set verbose by default
Merge pull request #159 from dirkmueller/release/roxy/master

Set verbose by default
allow to specify assignment driver

this is needed for read-only-ldap as per
http://adam.younglogic.com/2013/10/read-only-ldap-in-keystone/
which replaces hybrid auth
Merge pull request #160 from SUSE-Cloud/readonlyldapsupport

Add support for read-only-ldap
Add migration script for assignment driver

Also made this attribute required, to simplify things.
Merge pull request #161 from vuntz/assignment-driver

Add migration script for assignment driver