2 echoes the first parameter to the LCD after clearing it
3 needs the RPi.GPIO library.
5 prints a single ASCII character at the current position of the LCD.
6 does not advance cursor.
8 scrolls the _ cursor from left to right in 8 seconds (used as a fancy sleep)
10 a while-wrapper for wvdial, as wvdial does not automatically reconnect when
11 the connection is lost.
12 /usr/bin/monitor-luftinternet
13 my rather extensive status-checker.
14 prints status to the first tty and the HD44780