[Delivers #43560245 #43560247 #43560249 #43560251 #43560265 #43560267 #43560269 #43560271]  Added snapshot support (Create, List, Show, and Delete).  Added test coverage for each method.

**Summary**
Added methods to support snapshots.  Create, List, Show, and Delete.

**Testing**
Created integration tests to exercise each method.  Added integration tests and new wait methods for delete to allow for full end to end integration testing.  Added to ordered test as well as added to full ordered test.

Pivotal Stories:
https://www.pivotaltracker.com/story/show/43560245
https://www.pivotaltracker.com/story/show/43560247
https://www.pivotaltracker.com/story/show/43560249
https://www.pivotaltracker.com/story/show/43560251
https://www.pivotaltracker.com/story/show/43560265
https://www.pivotaltracker.com/story/show/43560267
https://www.pivotaltracker.com/story/show/43560269
https://www.pivotaltracker.com/story/show/43560271