Merge pull request #794 from lucasfcosta/consistent-message-assert-equals

Enabling showDiff for assert's equal and notEqual methods. Closes #790

lib/chai/interface/assert.js

@@ -129,6 +129,7 @@ module.exports = function (chai, util) {
       , 'expected #{this} to not equal #{act}'
       , exp
       , act
+      , true
     );
   };
 
@@ -156,6 +157,7 @@ module.exports = function (chai, util) {
       , 'expected #{this} to equal #{act}'
       , exp
       , act
+      , true
     );
   };