Merge branch 'feat/improveErrorMessages' of https://github.com/dhoko/jasmine into dhoko-feat/improveErrorMessages

- Merges #1026 from @dhoko
- Fixes #1025

src/core/matchers/toHaveBeenCalled.js

@@ -1,16 +1,18 @@
 getJasmineRequireObj().toHaveBeenCalled = function(j$) {
 
+  var getErrorMsg = j$.formatErrorMsg('<toHaveBeenCalled>', 'expect(<spyObj>).toHaveBeenCalled()');
+
   function toHaveBeenCalled() {
     return {
       compare: function(actual) {
         var result = {};
 
         if (!j$.isSpy(actual)) {
-          throw new Error('Expected a spy, but got ' + j$.pp(actual) + '.');
+          throw new Error(getErrorMsg('Expected a spy, but got ' + j$.pp(actual) + '.'));
         }
 
         if (arguments.length > 1) {
-          throw new Error('toHaveBeenCalled does not take arguments, use toHaveBeenCalledWith');
+          throw new Error(getErrorMsg('Does not take arguments, use toHaveBeenCalledWith'));
         }
 
         result.pass = actual.calls.any();