Set and list connectors from admin API

closes #360

* Create releases.md

* (SQUASH) make note about keys

vendor: update go-oidc to latest

Adds client manager

examples: add sample for clients

adds a client manager to handle business logic, leaving the repo
for basic crud operations. Also adds client to the test script

Adds consistency to existing samples for users, connectors, etc., as
well as protects users from accidental changes to files under Git, which
is why there are samples after all.

Documentation: use "cp" instead of "mv" to keep git state untouched

Revert "Fix response_type missing param"

This reverts commit 821b242c.

add links to issues in roadmap

*: fix build script to work outside of GOPATH

Closes #439

examples/app: Show refresh token as well

* Create a proposal template.

Also update CONTRIBUTING.md to mention use of proposals

This allows users to easily browse through the tickets mentioned in dex roadmap
Signed-off-by: Christoph Hartmann <chris@lollyrock.com>

use go 1.6.2 for docker go build

allow local image building without pushing

vendor: update go-oidc to fix parsing panic

fix/git-version: Update git-version to use valid docker tag if dirty

contrib/k8s: YAML brevity via references, minimum resource requests

- Add resources for deployments
- Add readiness probe for master
- Use YAML references for easier maintenance/readability

K8S dex-overlord.yaml ordering fix