Adding version detect before kubelet/pause container build (#2976)
Adding version detect before kubelet/pause container build (#2976)


Azure/acs-engine,jackfrancis/acs-engine,rjtsdl/acs-engine,rjtsdl/acs-engine,jackfrancis/acs-engine,rjtsdl/acs-engine,Azure/acs-engine,jackfrancis/acs-engine,Azure/acs-engine,rjtsdl/acs-engine,Azure/acs-engine,jackfrancis/acs-engine,jackfrancis/acs-engine,rjtsdl/acs-engine,Azure/acs-engine