* usr/bin/byobu-enable-prompt:
  - the @ symbol in the color prompt was hard to read
* usr/bin/byobu-disable-prompt:
  - clean up all byobu-prompt lines
* usr/bin/byobu-disable-prompt, usr/bin/byobu-enable-prompt:
  - use ubuntu themed colors for the prompt; might need to
    ship themes for other distros?
use ubuntu themed colors for the prompt if running on
Ubuntu
* usr/bin/byobu-enable-prompt, usr/lib/byobu/distro,
  usr/lib/byobu/include/shutil, usr/lib/byobu/logo:
  - use a common get_distro function in a couple of places
* usr/lib/byobu/wifi_quality, usr/share/man/man1/byobu.1:
  - make wifi status a little easier to read
* usr/bin/byobu-disable-prompt, usr/bin/byobu-enable-prompt:
  - ensure we're in a tmux shell
  - ensure we're in a bash shell
  - don't double-reload
releasing 5.50
opening 5.51