Added the existing application, stack and layer names to "Aborting" output when the requested one cannot be found
Added the existing application, stack and layer names to "Aborting" output when the requested one cannot be found

smartpcr/reinvent2014-scalable-site-management,awslabs/reinvent2014-scalable-site-management,0xdco/reinvent2014-scalable-site-management,0xdco/reinvent2014-scalable-site-management,0xdco/reinvent2014-scalable-site-management,smartpcr/reinvent2014-scalable-site-management,awslabs/reinvent2014-scalable-site-management,smartpcr/reinvent2014-scalable-site-management,awslabs/reinvent2014-scalable-site-management