Make deletes synchronous to avoid 202.

Also, get some POSTs I missed the last time.
Merge pull request #2219 from erictune/flaky_auth_test

Make deletes synchronous to avoid 202.
Add SkyDNS example

This is not a complete solution, but a piece of one.  More coming.
Merge pull request #2221 from thockin/dns

Add SkyDNS example
Make Fluentd to GCP Logging image self-contained; add log rotation support