db_sync is idempotent

Removed all the unnecessary execute notifications
not_if is not nested properly for image upload

`Cannot find a resource for not_if on ubuntu version 12.04`
Validate certs was backwards
Simply create the basedir of `cache_dir`.
Removed unnecessary default actions
Attempt at a better not_if for image import
Merge pull request #42 from retr0h/working

ci integration fixes