add image to resource collection
initial persistent disk support
initial scheduling support
adding boot disk arguments
start work to deprecate kernel feature
adjust short and long options
add advanced availability policy options
finished the availability policy options
some refactoring, spec tests updated
normalized options, spec tests and readme updated
tiny formatting error disk list output
spec updates for v1 API
changed way user agent reports name and version
removed the Kernels resource
version bump, readme update
typo in readme
update sourceImage parameter in disk create
found typos
removed image property from instance resource
disk create default size was set incorrectly