encoding fixed

Maybe there are some "chinese" in galleryAPI.js.erb and Ruby treat them
all US-ASCII, so everything crash.
see this post
"http://stackoverflow.com/questions/7761540/encoding-issues-in-javascrip
t-files-using-rails-asset-pipeline"

vendor/built_in_modules/gallery/app/assets/javascripts/galleryAPI.js.erb

@@ -1,3 +1,4 @@
+<%# encoding: utf-8 %>
 var galleryAPI = function(){
 	g = this;
 	this.urlVars = rcom.getUrlVars();