add initial set of e2e test

[M00nF1sh]

The purpose of this PR:

1. bump dependencies to k8s v1.13.1
2. add an e2e test launcher script(build/push to ecr, launch kops cluster)
3. add an e2e test framework(inspired by k8s's framework but simplified), the original k8s framework brings-in all k8s dependencies, and some of them don't work under go module 😞
4. add an initial set of e2e test cases(Fix Add E2E tests on KOPS for ALB Ingress Controller #856 ), which covers mode-ip and mode-instance under an kops cluster.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: M00nF1sh

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[k8s-ci-robot]

@M00nF1sh: The following test failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
pull-aws-alb-ingress-controller-test	9b307656dd73f4b41c47eb134777805c1ea54254	link	/test pull-aws-alb-ingress-controller-test

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[bigkraig]

/lgtm