Allow to listen to onSuccess if no data or if data total is
Property float of the object is quoted, because 'float' is a reserved word in EcmaScript 3, thus it must be quoted.  If I remember correctly, this is one of the things that changed for EcmaScript 5.
IE: If it isn't the script don't pass google closure compiler. 
Merge pull request #64 from asyafrudin/master

Minor changes to fix position of column drag buttons.
Merge pull request #61 from carlosypunto/2ead5587d29d7b8d4804247bf145be8145d55499

Property float of the object is quoted