* Add eos and fix tests to run multiple connections
* Update tests to report connection
* Add missing START messages
* Fix unspecified connection
* Python 3 updates
Exceptions don't have `.message` in Python 3
* Override `become` when using `connection=local`
* Slight restructuring to make eapi easier later on
* Move eapi toggle to prepare_eos
* Pull out connection on eapi tasks
* updates eos modules to use persistent connection socket
* removes split eos shared module and combines into one
* adds singular eos doc frag (eos_local to be removed after module updates)
* updates unit test cases
* update eos_config to use eapi exclusively and remove cli transport
* add unit test cases for eos_config
* updates action plugin to handle both eapi and network_cli connections