Revert removal of compare nesting

Since we want the user to be able to pass a negative comparison function, the extra layer of wrapping is now needed

spec/core/matchers/toMatchSpec.js

@@ -1,33 +1,33 @@
 describe("toMatch", function() {
   it("passes when RegExps are equivalent", function() {
-    var matcherComparator = j$.matchers.toMatch(),
+    var matcher = j$.matchers.toMatch(),
       result;
 
-    result = matcherComparator(/foo/, /foo/);
+    result = matcher.compare(/foo/, /foo/);
     expect(result.pass).toBe(true);
   });
 
   it("fails when RegExps are not equivalent", function() {
-    var matcherComparator = j$.matchers.toMatch(),
+    var matcher = j$.matchers.toMatch(),
       result;
 
-    result = matcherComparator(/bar/, /foo/);
+    result = matcher.compare(/bar/, /foo/);
     expect(result.pass).toBe(false);
   });
 
   it("passes when the actual matches the expected string as a pattern", function() {
-    var matcherComparator = j$.matchers.toMatch(),
+    var matcher = j$.matchers.toMatch(),
       result;
 
-    result = matcherComparator('foosball', 'foo');
+    result = matcher.compare('foosball', 'foo');
     expect(result.pass).toBe(true);
   });
 
   it("fails when the actual matches the expected string as a pattern", function() {
-    var matcherComparator = j$.matchers.toMatch(),
+    var matcher = j$.matchers.toMatch(),
       result;
 
-    result = matcherComparator('bar', 'foo');
+    result = matcher.compare('bar', 'foo');
     expect(result.pass).toBe(false);
   });
 });