Merge branch 'release/0.1.3' into develop
Added RHS powerline prompt.

Shows a red background, white text "N" when in normal mode.

Shows the IP address of origin when ssh'ing into a machine.
Add screenshot, include local and remote prompts.
Add screenshot to README.
Update release notes for 0.2.0
Release 0.2.0: Agnoster-alt theme now has RPROMPT.