added debug code

find out if/when scripts go into default state
see if/when menu buttons get registered
added debug code, disabled script reset

show which buttons get registered for menu
disable script reset on_rez - kinda reverting:

https://github.com/OpenCollar/OpenCollarOwnerHud/commit/8b85d7476227d15c4d36f923b201c23cabe6f13c
playing with menu registration

adding similar piece of code to scripts where it was not already in
place, now someone should use channel MENUNAME_REQUEST to get the
buttons
help line output

give that not only on reattach (on_rez) or user requested reset, but
also on full script reset and on first run