Ansinimble-0.15.0

There's a bunch of breaking changes in this release. Role stacks most likely need re-ordering and updating. All the examples have been updated to reflect the new behaviour. Blog post that outlines the new paradigm available here: https://datamattsson.tumblr.com/post/184459667036/ansinimble-shifting-patterns

List of issues fixed and features added:

• Snapshot volume collections #20
• Update snapshots #21
• Update volumes #25
• Leaner interaction with NLT and cleanups #33 #30
• Better semantics around certain workflows #28
• Smarter about mounted filesystems #35
• API calls now go through the Ansible host #27
• Set group host configuration options #29
• Run NimbleOS commands ad-hoc #29
• Numerous bug fixes #24 #23

Happy automating!