Merge all libs into libu

mailtest/Makefile

@@ -1,10 +1 @@
-include ../make/ufuncs.mk
-
-$(eval $(call add_lib,libprocess))
-$(eval $(call add_lib,libstring))
-$(eval $(call add_lib,libdebugconsole))
-$(eval $(call add_lib,libaux))
-
-cflags += -DPRINTF_INCLUDE_CONFIG_H=1
-
 include ../make/user.mk

mailtest/mailtest.c

@@ -1,13 +1,11 @@
 #include <debugconsole.h>
-#include <process_self.h>
+#include <process.h>
 #include <status.h>
 #include <strconv.h>
 #include <string.h>
 #include <system.h>
 
 void app_main (void) {
-  libprocess_self_init ();
-
   char commandbuf[32];
   memset (commandbuf, 0, sizeof (commandbuf));
   char payloadbuf[32];