Updated e2e tests on travis

[ianlewis]

• Updated tests to run using Go 1.14
• Added test for containerd 1.3
• Updated release of runsc to test

[ianlewis]

Getting errors because containerd now depends on libseccomp 2.4

containerd: symbol lookup error: containerd: undefined symbol: seccomp_api_set

https://github.com/containerd/containerd/issues/4008

[ianlewis]

Had more issues with the cri grpc port already being open for containerd 1.1. That took entirely too long to fix. Should be cleared up now though.