Log Message:
Changes 0.11.0:
* Add deprecated warnings to index.rst
* Fix PIDLockFile.acquire() may loop indefinitely
* Fix failure - from lockfile import *
* lockfile.acquire doesn't accept a timeout of 0
* Update README format for our release script
* Begin moving some of the common code to a shared base
* Add pbr to dependency list
* The version of sphinx being brought in is broken
* Fix Git URLs