ignore all file change events if codeSync: false

Author: shakyShane

lib/internal-events.js

@@ -86,6 +86,7 @@ module.exports = function (bs) {
         });
 
     var coreNamespacedWatchers = fromEvent(bs.events, "file:changed")
+        .filter(function() { return bs.options.get("codeSync") })
         .filter(function(x) { return  x.namespace === "core" });
 
     var handler = fileHandler.fileChanges(coreNamespacedWatchers, bs.options)