Revert two commits (screencap and start named processes)

terminaldisplay.cpp

@@ -1,6 +1,4 @@
 #include <assert.h>
-#include <sys/time.h>
-#include <wchar.h>
 
 #include "terminaldisplay.hpp"
 
@@ -254,33 +252,3 @@ void FrameState::append_silent_move( int y, int x )
   cursor_x = x;
   cursor_y = y;
 }
-
-void Display::debug_print( const Framebuffer &fb )
-{
-  struct timeval tv;
-  gettimeofday( &tv, NULL );
-
-  double the_time = tv.tv_sec * 1000 + double(tv.tv_usec) / 1000.0;
-
-  fprintf( stderr, "%f ", the_time );
-  
-  for ( int y = 0; y < fb.ds.get_height(); y++ ) {
-    for ( int x = 0; x < fb.ds.get_width(); x++ ) {
-      const Cell *cell = fb.get_cell( y, x );
-      
-      if ( cell->contents.empty() ) {
-	fprintf( stderr, "_" );
-      } else {
-	wchar_t first = cell->contents.front();
-	if ( (first > 254) || (first < 0x20) ) {
-	  fprintf( stderr, "&" );
-	} else {
-	  fprintf( stderr, "%c", (char)first );
-	}
-      }
-    }
-  }
-
-  fprintf( stderr, "\n" );
-  fflush( stderr );
-}