console enhancements: mouse events etc

[Thomas Wolff]

Andy Koppe schrieb:
>>  How can I enforce printing garbage so I
>> can test the reset command?
>>     
>
> echo $'\e(0'
>   
and echo ^N (Control-N) for the other mode, which is more likely to 
occur by binary output;
the enable sequence for it is echo ^[)0 (same as above, with ')' instead 
of '(').

And I forgot the following sentence for the change log:
(fhandler_console::write) Reset VT100 graphic mode flags on terminal 
full reset (ESC c).

Thomas