Show clock when cursor moved to upper right corner. Originally by Marco d'Itri
<md@linux.it>. Random fixes and rediff for latest gpm version by Petr Baudis
<pasky@ji.cz>.

clockfix.diff is original clock.diff + some fixes
clockfix2.diff applieas on the top of it and fixes some of the fixes ;)
clock.diff is merge of these two
