Updating VERSION.txt for release 1.5.3
Updating VERSION.txt for release 1.5.3

rchavik/croogo,Wouter0100/croogo,damien-biasotto/croogo,delkyd/croogo,Wouter0100/croogo,delkyd/croogo,rakeshtembhurne/croogo,xintesa/croogo,xintesa/croogo,damien-biasotto/croogo,cvo-technologies/croogo,delkyd/croogo,rakeshtembhurne/croogo,cvo-technologies/croogo,Wouter0100/croogo,xintesa/croogo,rchavik/croogo,cvo-technologies/croogo,rakeshtembhurne/croogo