Merge pull request #37 from dirkmueller/release/roxy/master

Fix create_user_and_dirs
Added more verbose options to pull from source fieldset
Moved role constraints into model and removed edit deployment

(cherry picked from commit b8f53af3934bd0df7ae3a1a73687732a2af66f68)
Merge pull request #41 from tboerger/feature/roxy/fix-constraints

Moved role constraints into model and removed edit deployment
Merge pull request #38 from tboerger/feature/additional-fields-roxy

[roxy] Added more verbose options to pull from source fieldset
Generate /var/cache/<component> by default

This directory is used for keystone's signing-dir in most
services, so it makes sense to always create it