Forklift knife-gce code into knife-google
Removing old knife-google files
Fix --disks option with instance create
Updated based on feedback from Opscode
Better docs on project_id and guard against empty properties
One more warning
Updated to cover setting up ssh-keys
Merge remote-tracking branch 'google/master'

New API-based implementation instead of gcutil
Fix Windows spec tests by adding Windows gem dependencies for test and development
Clarify username CLI argument correspondence for ssh configuration
Merge pull request #12 from opscode/adamed-oc-4667-knife-google-api

OC-4667: Merge Google API-based implementation