- add ceedling/cmock/unity as testing framework and support

- unified makefile project for the whole repos
- new separate project for tests

tests/vendor/ceedling/lib/stream_wrapper.rb

@@ -0,0 +1,20 @@
+
+class StreamWrapper
+
+  def stdout_puts(string)
+    $stdout.puts(string)
+  end
+
+  def stdout_flush
+    $stdout.flush
+  end
+  
+  def stderr_puts(string)
+    $stderr.puts(string)
+  end
+
+  def stderr_flush
+    $stderr.flush
+  end
+
+end