Merge branch 'spyOnProperty2' of https://github.com/celluj34/jasmine into celluj34-spyOnProperty2

- Merges #1203 from @celluj34
- Merges #1008 from @smacker
- Fixes #943

src/core/Env.js

@@ -288,6 +288,10 @@ getJasmineRequireObj().Env = function(j$) {
       return spyRegistry.spyOn.apply(spyRegistry, arguments);
     };
 
+    this.spyOnProperty = function() {
+      return spyRegistry.spyOnProperty.apply(spyRegistry, arguments);
+    };
+
     var suiteFactory = function(description) {
       var suite = new j$.Suite({
         env: self,