tests: fmt_print: initial commit

tests/fmt_print/Makefile

+APPLICATION = fmt_print
+include ../Makefile.tests_common
+
+USEMODULE += fmt
+
+include $(RIOTBASE)/Makefile.include

tests/fmt_print/main.c

+/*
+ * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup     tests
+ * @{
+ *
+ * @file
+ * @brief       fmt print test application
+ *
+ * This test is supposed to check for "compilabilty" of the fmt print_* instructions.
+ *
+ * @author      Kaspar Schleiser <kaspar@schleiser.de>
+ *
+ * @}
+ */
+
+#include "fmt.h"
+
+int main(void)
+{
+    print_str("If you can read this:\n");
+    print_str("Test successful.\n");
+
+    return 0;
+}