Merge pull request #6 from enolfc/stable/havana

Stable/havana
Add context to flavors retrieval.
Merge pull request #2 from enolfc/stable/havana

Add context to flavors retrieval.
Added default mount_point

Added default mount_point value, since occi.storagelink.deviceid is noptional in OCCI
auto generation of mount points and enable link volume at create time
moved link chache from storage to compute entity (so they are updated on vm links update)
Merged master fixed conflict.
Merge branch 'stable/havana'
Fix listing of compute resources with unavailable images.

An image of a single instance no longer available (for whatever
reason) caused the entire listing of compute resources to fail. The
problem was that the code requested details about the image by its id,
just to retrieve the id from the details. This can be avoided by using
the id directly.
fixed PEP8 errors
fixed PEP8 errors
Added registration of the endpoint
Merge branch 'master' into fedcloudm

Conflicts:
	README.md
	occi_os_api/backends/storage.py
	occi_os_api/nova_glue/vm.py
	occi_os_api/registry.py
	occi_os_api/wsgi.py
Removed extra line after class definition.