Fix typo: Add to be in front of created
Merge pull request #1009 from zecke/master

Fix typo: Add to be in front of created
Rework automatic directory deletion

Check before deleting that we are allowed to delete
Ensure to not recursively delete directories not under prefix
1.4.0-alpha15
New structure to store job request.
Rework add_request utility.
Simplify request processing.
Fix more places for new request.
Refactor function names.
Continue to rework adding requests.
Start candidates sorting implementation.
Remove wrong assumption.

If there are packages from a remote repo that is different from a local
one, we still want to add it to the upgrade candidates list.
Fix candidates sorting.
Add delete request processing.
Modify solver to handle install candidates.
Fix compile errors.
Fix finding of variables in the chain.
Fix runtime issues.
Fix storage class for universe items when replace uuid.
Add a temporary workaround.