Add Emacs mode line
Set ZSH_THEME if not already set - that makes it easier to test a new one.
Show at most two path segments
User and machine name in prompt
Dynamic user@host field in prompt
"Less dynamic" user@host

Won't change in real time -- only when shell is started.
We like us some colors
Explanation
New name for theme (it's different enough)...
Templates for files used to determine user@host in prompt
Merge branch 'feature/user-host-prompt' into develop