* standardize user/password connection vars
* docs: use ansible_user and ansible_password
* docs: var precedence for connection vars
* docs: ansible_become_pass -> ansible_become_password etc
* win become: refactor and add support for passwordless become
* make tests more stable
* fix up dep message for Load-CommandUtils
* Add further check for System impersonation token
* re-add support for become with accounts that have no password
* doc fixes and slight code improvements
* fix doc sanity issue
* runas + async - get working on older hosts
* fixed up sanity issues
* Moved first task to end of test for CI race issues
* Minor change to async test to be more stable, change to runas become to not touch the disk
* moved async test back to normal spot
* Add a 'machinectl shell' become_method
* docs: add explanations for the machinectl become_method
* docs: machinectl become_method: specify this part is specific to Linux+systemd setups
* HTTPAPI connection
* Punt run_commands to cliconf or httpapi
* Fake enable_mode on eapi
* Pull changes to nxos
* Move load_config to edit_config for future-preparedness
* Don't fail on lldp disabled
* Re-enable check_rc on nxos' run_commands
* Reorganize nxos httpapi plugin for compatibility
* draft docs for connection: httpapi
* restores docs for connection:local for eapi
* Add _remote_is_local to httpapi
* Docs refactor as outlined in https://github.com/ansible/proposals/issues/79. Moves content into 'guides'; refactors TOC; fixes CSS; design tweaks to layout and CSS; fixes generated plugin, CLI and module docs to fix links accodingly; more.
* Adding extra blank line for shippable
Jordan Borean