minimize it. re-closes defunkt#28

Author: defunkt

README

@@ -187,3 +187,12 @@ Then, in your HTML:
 
 Replace 'path/to/js' with the path to your JavaScript directory,
 e.g. 'public/javascripts'.
+
+
+## minimize it
+
+  curl \
+    -d output_info=compiled_code \
+    -d compilation_level=ADVANCED_OPTIMIZATIONS \
+    -d code_url=https://github.com/defunkt/jquery-pjax/raw/master/jquery.pjax.js \
+    http://closure-compiler.appspot.com/compile