Add tracked operations to apiserver
Implement required sync changes everywhere.

Make requests sync by default, so that usage of them doesn't have to
change.
better error handling.
Merge pull request #233 from brendandburns/demo

switch to built in golang FileServer
Address comments; also, demonstrate one more property in test.
Remove localkube
Merge pull request #249 from lavalamp/api_long_op

Give api server operation tracking ability
Merge pull request #255 from jjhuff/remove_localkube

Remove localkube
Update the proxy server.
Initial add of cloud-demo
Added image stuff.
Added two images.