Merge pull request projectcalico#53 from tomdee/no-assign-ipv6

Don't assign IPv6 address when using calico-ipam

Merge pull request projectcalico#52 from tomdee/libcalico

Use libcalico v0.11.0

Merge pull request projectcalico#39 from caseydavenport/cd4-fvs-with-…

…ipam

Return error as json, not dict

Update samples to use v1.0.0

Merge pull request projectcalico#14 from projectcalico/k8s-cni-integr…

…ation

Re-write to include Kubernetes support

Merge pull request projectcalico#2 from alexhersh/fix-uts

Update projectcalico#2: UTs, formatting/cleanup, requirements, logger and README