1 2 0 fixes (#26)

* update for new rancher naming convention

* modified agent and server http handler
and simplified verifier

Add agent side waiting. (#25)

Metadata updates labels in a multistep process. Sometimes the user
labels are not populated when system labels are added. This change
increases the wait time. If the label is found, it immediately moves
forward requesting a token.

Added root CA certs to the image (#24)

fixed timeout issue (#22)

Wait for labels to appear in metadata (#19)

Metadata sometimes doesn't have the labels populated. So wait for
the values to be populated. There should never be a time when labels
are completely empty since Rancher and K8s both add labels.

Refactor the Agent handler to ensure unique Metadata UUID (#18)

Dont put // in path if k8s label path var not set (#15)

This results in a redirect from Vault, which probably isn't a good
idea to knowingly do.

fixing trailing slash issue (#13)

fix k8s verifier to prevent panics (#12)

Fix a bug to properly return an error condition when a container is n…

…ot correlated with any services. (#9)