Finish HackMyCore reshaping.

Reintroduce HackMyCore, dropping the interim submodule, and reorganize
and improve tests.

dist/utils/file-contains.js

@@ -0,0 +1,12 @@
+
+/**
+Definition of the SyntaxErrorEx class.
+@module file-contains.js
+ */
+
+(function() {
+  module.exports = function(file, needle) {
+    return require('fs').readFileSync(file, 'utf-8').indexOf(needle) > -1;
+  };
+
+}).call(this);