clean .vrb files

Signed-off-by: Tim Niemeyer <tim.niemeyer@mastersword.de>
main: fix titles

Signed-off-by: Tim Niemeyer <tim.niemeyer@mastersword.de>
firmware: first frames

Signed-off-by: Tim Niemeyer <tim.niemeyer@mastersword.de>
meshrouter: more on the internal firmware construct

Signed-off-by: Tim Niemeyer <tim.niemeyer@mastersword.de>
gateway: actual state of the gateways

Signed-off-by: Tim Niemeyer <tim.niemeyer@mastersword.de>