Fix server image create

The final find_resource() call errored because servers.create_image()
returns an image ID rather than an Image resource.  Reset expectations
and arguments.

Change-Id: I1b9132f66091f9df76198724156acb7a6fb2f6fe
Fixed several typos throughout the codebase

Change-Id: I048ee857fc1215fea7f60978364894e1b5abdf66
Merge "Fix server image create"
Merge "Fixed several typos throughout the codebase"