Add support for multiple vault environments

trimming newline for KUBE_TOKEN in configure-helm

* kubectl create secret --from-file mistakenly adds a trailing newline.
This guards against it.

using kube and helm folders for certificate locations in configure-helm

* Having subfolders makes this podpreset friendly for kubernetes
clusters (in case helm and kube settings are in different podpresets).

fixing boolean error in configure-aws

unsets aws keys after at the end of configuring if ROLE_ARN is provided

removed RELEASE_NAME from publish-chart. uses dynamic one based on ch…

…art name

adding scripts to configure aws and helm