saltstack/salt — pull request #13512 by rallytime (2014-06-17 19:00:42+00:00)
Title: Bugfix to allow cloud provider extend functionality

Allows cloud providers to be extended according to the docs: http://docs.saltstack.com/en/latest/topics/cloud/config.html

Fixes original extending providers bug and allows for multiple providers to be extended if a provider is not specified in extensions.

Refs #13464

@s0undt3ch ping