Also symlink the handouts

Makefile

@@ -6,15 +6,17 @@ all: VL1 VL2
 VL1:
 	$(MAKE) -C VL1
 	$(LN_S) VL1/VL1.pdf .
+	$(LN_S) VL1/VL1_handout.pdf .
 
 VL2:
 	$(MAKE) -C VL2
 	$(LN_S) VL2/VL2.pdf .
+	$(LN_S) VL2/VL2_handout.pdf .
 
 clean:
 	$(MAKE) -C VL1 clean
 	$(MAKE) -C VL2 clean
-	$(RM) VL1.pdf VL2.pdf
+	$(RM) VL1.pdf VL2.pdf VL1/VL1_handout.pdf VL2/VL2_handout.pdf
 
 
 .PHONY: all clean VL1 VL2