- 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/cacheinator_helper.rb

@@ -0,0 +1,12 @@
+
+class CacheinatorHelper
+
+  constructor :file_wrapper, :yaml_wrapper
+  
+  def diff_cached_config?(cached_filepath, hash)
+    return true if ( not @file_wrapper.exist?(cached_filepath) )
+    return true if ( (@file_wrapper.exist?(cached_filepath)) and (!(@yaml_wrapper.load(cached_filepath) == hash)) )
+    return false
+  end
+  
+end