Update kubectl to version 1.5.6
Update kubectl to version 1.5.6

Congee/scoop,vidarkongsli/scoop,rasa/scoop,nueko/scoop,toxeus/scoop,kodybrown/scoop,coonce/scoop,vinaynambiar/lukesampson-,r15ch13/scoop,yunspace/scoop,reelsense/scoop,nikolasd/scoop,berwyn/scoop,Cyianor/scoop,lukesampson/scoop