Need to load_secret and then pass that to load

* Serves me right for skimming too quickly over the
  EncryptedDatabag load API. :(
Merge pull request #27 from jaypipes/working

Need to load_secret and then pass that to load
Some readme and metadata cleanups
Added supports with supported OSes
Merge pull request #28 from retr0h/working

Some readme and metadata cleanups
Added a global signing configuration

Defaults to UUID.  Other OpenStack cookbooks will
reference this, much like they do with developer_mode.
Changed the variable name used to handle UUID/PKI auth
Merge pull request #29 from retr0h/working

Added a global signing configuration
Typo in secret attributes
Final changes related to PKI
Merge pull request #31 from jaypipes/working

Final changes related to PKI
Fixed tests

Tests no longer passed once we used `load_secret`.
Merge pull request #32 from retr0h/working

Fixed tests
Merged openstack-utils with this repo.
Broke out default into modules after openstack-utils merge

Since openstack-utils had things broken out, felt having things in
default wasn't as clean.  Broke things out into modules, cleaned
up tests, and a few rogue ()'s :).
Merge pull request #33 from retr0h/working

Merged openstack-utils with this repo.
%s/utils/common/g
Merge pull request #34 from retr0h/working

%s/utils/common/g
Add memcached servers search helper.
Add args and docs to memcached_servers