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/core/matchers/toEqualSpec.js

@@ -0,0 +1,28 @@
+describe("toEqual", function() {
+  it("delegates to equals function", function() {
+    var util = {
+        equals: jasmine.createSpy('delegated-equals').and.returnValue(true)
+      },
+      matcher = j$.matchers.toEqual(util),
+      result;
+
+    result = matcher.compare(1, 1);
+
+    expect(util.equals).toHaveBeenCalledWith(1, 1, []);
+    expect(result.pass).toBe(true);
+  });
+
+  it("delegates custom equality testers, if present", function() {
+    var util = {
+        equals: jasmine.createSpy('delegated-equals').and.returnValue(true)
+      },
+      customEqualityTesters = ['a', 'b'],
+      matcher = j$.matchers.toEqual(util, customEqualityTesters),
+      result;
+
+    result = matcher.compare(1, 1);
+
+    expect(util.equals).toHaveBeenCalledWith(1, 1, ['a', 'b']);
+    expect(result.pass).toBe(true);
+  });
+});