fix(etcd): remove insecureskipverify

The client certs and server certs should share the same CA since
everyone is a peer. Use this logic instead of InsecureSkipVerify.

Test-plan: tested manually and tests pass still.
fix(README): use fixture certs
feat(README): at a versioning section
feat(README): add note about the license
Merge pull request #88 from philips/readme-fixups

fix(README): use fixture certs
Merge pull request #87 from philips/remove-insecureskipverify

fix(etcd): remove insecureskipverify
feat(README): add a link to binary downloads
Merge pull request #89 from philips/readme-fixups

feat(README): add a link to binary downloads
fix(etcd): add a default name

etcd shouldn't require flags by default.
Merge pull request #92 from philips/add-default-name

fix(etcd): add a default name
fix(README): remove url highlight

```url isn't a thing. delete it.
feat(README): add the active-proxy project
fix(README): use -n everywhere
fix(README): fixup a grammar bug
Merge pull request #93 from philips/fixup-readme

README fixups
feat(README): point people at etcdctl

etcdctl is included in the releases so point people at it.
Merge pull request #94 from philips/fixup-readme

feat(README): point people at etcdctl
typo(README): thanks asbjorn
feat(README): add node library

Thanks for @stianeikeland for starting a node-etcd library.
Merge pull request #98 from philips/node-library

feat(README): add node library