Squashed spy refactor and new spy syntax

Jasmine spies now have a 'and' property which allows the user to
change the spy's execution strategy-- such as '.and.callReturn(4)'
and a 'calls' property which allows inspection of the calls a spy
has received.

* This is a breaking change *

There is a CallTracker that keeps track of all calls and arguments
and a SpyStrategy which determines what the spy should do when it
is called.

spec/core/DelayedFunctionSchedulerSpec.js

@@ -72,15 +72,15 @@ describe("DelayedFunctionScheduler", function() {
 
     scheduler.tick(20);
 
-    expect(fn.callCount).toBe(1);
+    expect(fn.calls.count()).toBe(1);
 
     scheduler.tick(40);
 
-    expect(fn.callCount).toBe(3);
+    expect(fn.calls.count()).toBe(3);
 
     scheduler.tick(21);
 
-    expect(fn.callCount).toBe(4);
+    expect(fn.calls.count()).toBe(4);
 
   });
 
@@ -158,7 +158,7 @@ describe("DelayedFunctionScheduler", function() {
     var scheduler = new j$.DelayedFunctionScheduler(),
       fn = jasmine.createSpy('fn'),
       recurringCallCount = 0,
-      recurring = jasmine.createSpy('recurring').andCallFake(function() {
+      recurring = jasmine.createSpy('recurring').and.callFake(function() {
         recurringCallCount++;
         if (recurringCallCount < 5) {
           expect(fn).not.toHaveBeenCalled();
@@ -171,7 +171,7 @@ describe("DelayedFunctionScheduler", function() {
     scheduler.tick(60);
 
     expect(recurring).toHaveBeenCalled();
-    expect(recurring.callCount).toBe(6);
+    expect(recurring.calls.count()).toBe(6);
     expect(fn).toHaveBeenCalled();
   });