* src/misc.h, src/misc.c, src/screen.h, src/screen.c, src/events.c,

	  src/menu.c, src/tabwin.c, src/placement.c, src/client.c, 
	  src/moveresize.c, src/netwm.c: Need to invalidate our internal 
	  monitor caching when adding/removing monitors with randr 1.2 
 

(Old svn revision: 29263)