Switch to oslo.utils

Change-Id: I74979d8f75b099858314a30c98bb252c379e0304
Include parameters info in stack-abandon data

Currently on stack-adopt parameters from the original stack are
not adopted. With this change stack abandon data includes parameters
info and that data will be used on stack-adopt.

Change-Id: I59310200d124655b423f01c8672df4217f0f68e7
Partial-Bug: #1300336
Fix some sphinx warnings/errors

- don't have link name clashes
- fix broken links
- pydoc fixes

Change-Id: I60e5bc1dda2eb66f5cb4d98cf048c73872278092
Merge "Switch to oslo.utils"
Merge "Fix some sphinx warnings/errors"
Merge "Include parameters info in stack-abandon data"