Remove ex_start_node since here is already ex_power_on_node implemented
Remove ex_start_node since here is already ex_power_on_node implemented

andrewsomething/libcloud,mistio/libcloud,Kami/libcloud,andrewsomething/libcloud,mistio/libcloud,andrewsomething/libcloud,mistio/libcloud,Kami/libcloud,Kami/libcloud,apache/libcloud,apache/libcloud,apache/libcloud