Server list tests updated as per the fix of 10878 in knife-cloud.
Fixed rspec tests
Reverted old test fix.
Removed redundant TestResource class code.
use list_flavors from knife-cloud.
Merge pull request #79 from ClogenyTechnologies/ameya-oc-10878-openstack-test-fix

OC 10878 openstack test fix for knife-cloud change.
implement review comment to use list_resource_configurations.
Merge pull request #84 from opscode/kd/OC-11204-abstractions

OC-11204 - Exception handling and abstraction