added username to right side of prompt
edit-with-spacemacs works with multiple files, even if they have spaces
in the file name
if emacs is installed and edit-with-spacemacs exists, that will become
the vi of chioce for the user.
* Spacemacs client calls edit-with-spacemacs script (which is still a
work-in-progress)
* added lessr for less with raw control chars (for ANSI colors)
* renamed `edshrc` to `sz-edshrc`
Gal Szkolnik