upgrade to gson 2.2.4 to fix Fix object leak from ThreadLocal see https://code.google.com/p/google-gson/issues/detail?id=402#c31
upgrade to gson 2.2.4 to fix Fix object leak from ThreadLocal
see https://code.google.com/p/google-gson/issues/detail?id=402#c31

gxa/atlas,gxa/atlas,gxa/atlas,gxa/atlas,gxa/atlas