- Three text areas where the user can paste
in the CA Cert (optional), Client Cert
and Client Key.

- Tooltips for Auth checkboxes with brief
descriptions of what With Credentials and
With CA Cert are.

- Adds popover for TLS Auth header too.

- Aligns gf-form elements as labels and
checkboxes were not aligned before.

- Makes CA Cert optional as it is only
needed for self-signed certs.