Addition of global Makefile

First example external module, testroute, has been added. This serves more as an example than a real router
Updated module loading to used fixed GetModuleObject route and addition of ModuleInit routine

modules/routing/Makefile

@@ -0,0 +1,38 @@
+# This file is distributed as part of the SkySQL Gateway.  It is free
+# software: you can redistribute it and/or modify it under the terms of the
+# GNU General Public License as published by the Free Software Foundation,
+# version 2.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc., 51
+# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Copyright SkySQL Ab 2013
+#
+# Revision History
+# Date		Who			Description
+# 13/06/13	Mark Riddoch		Initial routing module development
+
+CC=cc
+CFLAGS=-c -fPIC -I/usr/include -I../include -I../../include
+LDFLAGS=-shared
+SRCS=testroute.c
+OBJ=$(SRCS:.c=.o)
+LIBS=-lssl
+
+libtestroute.so: $(OBJ)
+	$(CC) $(LDFLAGS) $(OBJ) $(LIBS) -o $@
+
+.c.o:
+	$(CC) $(CFLAGS) $< -o $@
+
+clean:
+	rm -f $(OBJ) libtestroute.so
+
+tags:
+	ctags $(SRCS) $(HDRS)