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/ExpectationResultSpec.js

@@ -0,0 +1,61 @@
+describe("buildExpectationResult", function() {
+  it("defaults to passed", function() {
+    var result = j$.buildExpectationResult({passed: 'some-value'});
+    expect(result.passed).toBe('some-value');
+  });
+
+  it("message defaults to Passed for passing specs", function() {
+    var result = j$.buildExpectationResult({passed: true, message: 'some-value'});
+    expect(result.message).toBe('Passed.');
+  });
+
+  it("message returns the message for failing expecations", function() {
+    var result = j$.buildExpectationResult({passed: false, message: 'some-value'});
+    expect(result.message).toBe('some-value');
+  });
+
+  it("delegates message formatting to the provided formatter if there was an Error", function() {
+    var fakeError = {message: 'foo'},
+      messageFormatter = jasmine.createSpy("exception message formatter").and.returnValue(fakeError.message);
+
+    var result = j$.buildExpectationResult(
+      {
+        passed: false,
+        error: fakeError,
+        messageFormatter: messageFormatter
+      });
+
+    expect(messageFormatter).toHaveBeenCalledWith(fakeError);
+    expect(result.message).toEqual('foo');
+  });
+
+  it("delegates stack formatting to the provided formatter if there was an Error", function() {
+    var fakeError = {stack: 'foo'},
+      stackFormatter = jasmine.createSpy("stack formatter").and.returnValue(fakeError.stack);
+
+    var result = j$.buildExpectationResult(
+      {
+        passed: false,
+        error: fakeError,
+        stackFormatter: stackFormatter
+      });
+
+    expect(stackFormatter).toHaveBeenCalledWith(fakeError);
+    expect(result.stack).toEqual('foo');
+  });
+
+  it("matcherName returns passed matcherName", function() {
+    var result = j$.buildExpectationResult({matcherName: 'some-value'});
+    expect(result.matcherName).toBe('some-value');
+  });
+
+  it("expected returns passed expected", function() {
+    var result = j$.buildExpectationResult({expected: 'some-value'});
+    expect(result.expected).toBe('some-value');
+  });
+
+  it("actual returns passed actual", function() {
+    var result = j$.buildExpectationResult({actual: 'some-value'});
+    expect(result.actual).toBe('some-value');
+  });
+});