Modified Makefiles so that liblog_manager.so can be linked in in compilation of core/gateway.c modules/protocol/mysql_backend.c and in modules/routing readconnroute.c.

Modified source files by adding a few logging commands (skygw_log_write) to them, and by adding includes of necessary header files.

modules/routing/readconnroute.c

@@ -48,6 +48,8 @@
  * 				startup if the number of current
  * 				connections is the same for two servers
  * 				Addition of master and slave options
+ * 27/06/13 Vilho Raatikka  Added skygw_log_write command as an example
+ *                          and necessary headers.
  *
  * @endverbatim
  */
@@ -63,6 +65,10 @@
 #include <dcb.h>
 #include <spinlock.h>
 
+#include <skygw_types.h>
+#include <skygw_utils.h>
+#include <log_manager.h>
+
 static char *version_str = "V1.0.1";
 
 /* The router entry points */
@@ -96,6 +102,7 @@ version()
 void
 ModuleInit()
 {
+    skygw_log_write(NULL, LOGFILE_MESSAGE, "Initial test router module.\n");
 	fprintf(stderr, "Initial test router module.\n");
 	spinlock_init(&instlock);
 	instances = NULL;