Remove unused boilerplate files

Created by the cookbook generator, not used here
Use Supermarket for Berkshelf universe
Add sudoer rules create to et_storm::nimbus

Provides for deployment of Storm topologies
Update to working copy of et_zookeeper for tests

Damned Apache mirrors come & go.
Refactor Nimbus spec to follow convention

While this is quite descriptive, it makes for tricky modifications to tests
Update integration tests for Serverspec v2
Clean up CHANGELOG
Bump to v1.1.0