Fix Radio object
check evminit and more rpms
Working RBAC tests!

- added waits to the related page models
- broke group, role, and user tests out of a monolithic class,
  and organized them into their own files
lint
Merge pull request #292 from dajohnso/add_appliance_tests

check evminit and more rpms
Merge pull request #291 from psav/fix_radio

Fix Radio object
use get_element
Merge pull request #294 from seandst/rbac-waits

Working RBAC tests!
Better YAML overriding

Now it does not take just the root element into the account, but it crawls throught the dictionary and only updates the values that are present in the new dictionary. It converts all dicts to Configs, other values than specified in override dict are not touched.
My counterproposal...
Merge pull request #295 from dajohnso/tweak_select_dropdown

use get_element in select_dropdown*

(I'm excited to discover what gets broken by this change due to ridiculousness.)
Updated ldap auth tests to cope with new nav fixture behavior
Added new Tree element
Re-vamp of Development Guide
infra_providers: Refresh

* Added possibility to refresh the query to speed things up
* Made the check for settings use the refresh if the data have not come yet
Cleanup and slight additions to docs
vms_subpages/details.py: wait_for
pages/cloud/instances/__init__.py wait_for
Merge pull request #300 from mfalesni/provider_refresh

Provider refresh + wait_fors
Merge pull request #299 from psav/docs_update

Docs update