Initial ipv6 / iptables work
Extend container_bridge.py (salt lib) to support IPv6
Allow specification of docker daemon args
Create ip_allocator that copes with IPv6

It uses a set (via a map) of allocated IPs
gofmt
Use https when Insecure is selected.
Simplify kubectl describe code
Rename Secure -> TLS; we may use TLS insecurely.
Don't show Kubernetes username & password to console for heapster.
Take advantage of salt to run remote commands
Update vagrant.md
Automatic API generation by adopting go-restful
fix up event client for namespaces
Fix server-side namespace handling for events; add validation
Merge pull request #2343 from erictune/tokens_need_private_comms

Use https when Insecure is selected.
Merge pull request #2376 from komljen/master

Take advantage of salt to run remote commands
Merge pull request #2367 from lavalamp/fix3

Yet more non-controversial fixes from #2277
Merge pull request #2147 from justinsb/ipv6

Initial ipv6 / iptables work
New package defines .kubernetes_auth format.

Refactored common code to that package.
Subsequent PRs will load and emit these files.
Add a clusters interface and GCE implementation.