Added initial make build support into new scripts/ folder.

Moved temp sensor example into examples/temp_sensor.
Added basic make example in examples/make_example.

examples/make_example/src/foo.c

@@ -0,0 +1,5 @@
+#include "foo.h"
+
+void foo_init(void)
+{
+}

examples/make_example/src/foo.h

@@ -0,0 +1,5 @@
+#ifndef _foo_h
+
+void foo_init(void);
+
+#endif

examples/make_example/src/main.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include "foo.h"
+
+int real_main(int argc, char ** argv)
+{
+    printf("Hello world!\n");
+    return 0;
+}
+
+#ifndef TEST
+int main(int argc, char ** argv)
+{
+    return real_main(argc, argv);
+}
+#endif