initial cleanup and mapping

examples/README.TXT

@@ -0,0 +1,18 @@
+
+wiringPi Examples
+=================
+
+There are now too many examples to compile them all in a sensible time,
+and you probably don't want to compile or run them all anyway, so they
+have been separated out.
+
+To compile an individual example, just type
+
+    make exampleName
+
+To really compile everything:
+
+    make really-all
+
+The individual tests are:
+