Werror on plugins, removed unnecessary bits from umbrella. moved out appfw.

Makefile.in

@@ -12,7 +12,7 @@ all:
 	
 clean:
 	for i in ${dirs};  do cd $$i; make clean; cd ..; done
-	rm $(prefix)/bin/callbacks.exe
+	rm -f $(prefix)/bin/callbacks.exe
 
 install: all
 	cp lib/callbacks.exe $(prefix)/bin/callbacks.exe

p1/Makefile.in

@@ -23,6 +23,6 @@ all: 	$(OBJS)
 	$(AR) -r $(LIB) $(OBJS)
 
 clean:
-	rm *.o
+	rm -f *.o