there was request (and few related requests in the past)
for console keys  polling
http://root.cern.ch/phpBB2/viewtopic.php?t=393
To make it possible I added signals to TApplication class:

virtual void    Terminate(int status = 0);   //*SIGNAL*
virtual void    KeyPressed(int key);         //*SIGNAL*
virtual void    ReturnPressed(char *text );  //*SIGNAL*


git-svn-id: http://root.cern.ch/svn/root/trunk@8131 27541ba8-7e3a-0410-8455-c3a389f83636