Rename j$ to jasmineUnderTest for specs

- Clarifies what it is for when writing tests
- No longer named the same as the `jasmine` that is injected into live
  code

spec/core/asymmetric_equality/AnythingSpec.js

@@ -1,43 +1,43 @@
 describe("Anything", function() {
   it("matches a string", function() {
-    var anything = new j$.Anything();
+    var anything = new jasmineUnderTest.Anything();
 
     expect(anything.asymmetricMatch('foo')).toBe(true);
   });
 
   it("matches a number", function() {
-    var anything = new j$.Anything();
+    var anything = new jasmineUnderTest.Anything();
 
     expect(anything.asymmetricMatch(42)).toBe(true);
   });
 
   it("matches an object", function() {
-    var anything = new j$.Anything();
+    var anything = new jasmineUnderTest.Anything();
 
     expect(anything.asymmetricMatch({ foo: 'bar' })).toBe(true);
   });
 
   it("matches an array", function() {
-    var anything = new j$.Anything();
+    var anything = new jasmineUnderTest.Anything();
 
     expect(anything.asymmetricMatch([1,2,3])).toBe(true);
   });
 
   it("doesn't match undefined", function() {
-    var anything = new j$.Anything();
+    var anything = new jasmineUnderTest.Anything();
 
     expect(anything.asymmetricMatch()).toBe(false);
     expect(anything.asymmetricMatch(undefined)).toBe(false);
   });
 
   it("doesn't match null", function() {
-    var anything = new j$.Anything();
+    var anything = new jasmineUnderTest.Anything();
 
     expect(anything.asymmetricMatch(null)).toBe(false);
   });
 
   it("jasmineToString's itself", function() {
-    var anything = new j$.Anything();
+    var anything = new jasmineUnderTest.Anything();
 
     expect(anything.jasmineToString()).toEqual("<jasmine.anything>");
   });