Block mouse events so we can select lines with out mouse.
Block mouse events so we can select lines with out mouse.

- This started with the switch to npyscreen. Kevin noticed it. Looks like
  people like to copy to clipboard by selecting with the mouse. We can remove
  this if we can figure out a way for bash to be like zsh and not execute a
  command but paste it to the command line automatically.

rcaloras/bashhub-client,rcaloras/bashhub-client