Update recipes to be rubocop compliant

- Update rubocop config to include recipes/**
- Update recipes to comply with rubocop

Change-Id: Ic47cfe17dc3c4f6d0a28a2c412593a3e81731da2
Update cookbook name in file headers

- Update cookbook name in file headers from swift to
  openstack-object-storage based on the comments in https://review.openstack.org/#/c/68197/

Change-Id: I019eb07a0b2ea5bbc48449b0b57e3180fe6413dd
Update providers to be rubocop compliant

- Update rubocop config to include providers/**
- Update providers to comply with rubocop

Change-Id: Ia28e8b091895cadfe8eac2f722fc19a5218d2519
Implements: blueprint rubocop-for-object-storage