Make rake jasmine:ci run specs correctly.

- Will replace rake core_specs.
- Remove obsolete dependencies & files -- most of these were for build tasks we
  are no longer using. Notably, rspec and spec_helper were deleted.

spec/javascripts/html/PrettyPrintHtmlSpec.js

@@ -0,0 +1,15 @@
+describe("j$.pp (HTML Dependent)", function () {
+  it("should stringify HTML nodes properly", function() {
+    var sampleNode = document.createElement('div');
+    sampleNode.innerHTML = 'foo<b>bar</b>';
+    expect(j$.pp(sampleNode)).toEqual("HTMLNode");
+    expect(j$.pp({foo: sampleNode})).toEqual("{ foo : HTMLNode }");
+  });
+
+  it("should print Firefox's wrapped native objects correctly", function() {
+    if(jasmine.getEnv().firefoxVersion) {
+      try { new CustomEvent(); } catch(e) { var err = e; };
+      expect(j$.pp(err)).toMatch(/Exception.*Not enough arguments/);
+    }
+  });
+});