Begin development on v3.9.0

Begin development on v3.8.0

Begin development on v3.7.0

Begin development on v3.6.0

Begin development on v3.5

Merge pull request projectcalico#940 from neiljerram/hep-all-traffic

Update data model for HostEndpoints with interfaceName *

Merge pull request projectcalico#697 from fasaxc/fix-resync-loop-ready

Pro-actively mark the ready flag resync as done.

Fix validation for ICMP type and code in backend rules.

- 0 (ping reply) should have been allowed.
- 255 (unused) should have been foridden due to lack of kernel support.

Merge pull request projectcalico#633 from robbrockbank/handle-pool-de…

…letion

Release pool affinities, check for overlapping pools and check CIDR cannot be altered

Merge pull request projectcalico#531 from caseydavenport/fix-defaulting

k8s conversion code handles 1.7 clusters