Merge pull request #541 from noducks/master

Add jshint friendly use strict snippet

Author: honza

snippets/javascript/javascript.snippets

@@ -257,6 +257,10 @@ snippet cdir
 
 # Misc
 
+# 'use strict';
+snippet us
+	'use strict';
+
 # setTimeout function
 snippet timeout
 	setTimeout(function () {${0}}${2}, ${1:10});