This makes it more practical to use 'cdm && exit' in a tty when you decide to cancel when you're already in the dialog selection window.
…p files. Was missing quotes around variables, now checks which's return code.
… Don't use $countdown if only one program is available. Don't call clear when only one program is available/dialog is not called.
…s changes the default startx call back to not using a subshell.
…iled to start on my setup (Ubuntu 12.10).
… when $binlist is not set by cdmrc or /etc/X11/Sessions/ files. Resolves issue #17.