Added missing makefile

evaluation/client_server/Makefile

+CC=gcc
+## with debug 
+CFLAG=-g -Wall -DDEBUG=1 -DVERBOSE=1
+## With even more debug...
+#CFLAG=-g -Wall -DDEBUG=1
+#LD= -L/usr/local/ssl/lib -lssl -lcrypto -ldl -lpthread
+LD= -L../.. -lssl -lcrypto -ldl -lpthread
+
+#INCLUDES= -I/usr/local/ssl/include
+INCLUDES= -I../../include
+CFLAGS= $(INCLUDES) $(CFLAG)
+#CFLAGS= -DMONOLITH $(INCLUDES) $(CFLAG)
+# (what is DMONOLITH doing?)
+
+all:  wclient wserver mbox
+
+wclient: wclient.o common.o 
+	$(CC) $(CFLAGS) wclient.o  common.o  -o wclient $(LD)
+wserver:  wserver.o common.o 
+	$(CC) $(CFLAGS) wserver.o  common.o  -o wserver $(LD)
+mbox: middlebox.o common.o 
+	$(CC) $(CFLAGS) middlebox.o  common.o  -o mbox $(LD)
+
+clean:	
+	rm *.o wclient wserver mbox
+