Improve errors with the domaine and how to use the API

src/core/requireCore.js

@@ -25,6 +25,7 @@ var getJasmineRequireObj = (function (jasmineGlobal) {
     jRequire.base(j$, jasmineGlobal);
     j$.util = jRequire.util();
     j$.errors = jRequire.errors();
+    j$.formatErrorMsg = jRequire.formatErrorMsg();
     j$.Any = jRequire.Any(j$);
     j$.Anything = jRequire.Anything(j$);
     j$.CallTracker = jRequire.CallTracker(j$);