User Impersonation (#418)
User Impersonation (#418)

* proposal for user impersonation

* updating the proposal for spelling and grammar.

* Update user-impersonation-proposal.md

* updating proposal to clarify actions

aadding section outlinning bringing in origin code.

* Update user-impersonation-proposal.md

* Updating wording to address PR comments.

* updating comments

jwmatthews/ansible-service-broker,johnkim76/ansible-service-broker,johnkim76/ansible-service-broker,eriknelson/ansible-service-broker,jwmatthews/ansible-service-broker,johnkim76/ansible-service-broker,rthallisey/ansible-service-broker,jmontleon/ansible-service-broker,rthallisey/ansible-service-broker,jwmatthews/ansible-service-broker,eriknelson/ansible-service-broker,eriknelson/ansible-service-broker,jmontleon/ansible-service-broker,rthallisey/ansible-service-broker,jmontleon/ansible-service-broker