Prevents the following warnings/errors in the master log:
[ERROR ] Root path 'pillar' not present in git_pillar remote '__env__ https://git.spritsail.io/frebib/salt.git', skipping.
[ERROR ] Root path 'pillar' not present in git_pillar remote '__env__ https://github.com/nerdhouse/salt.git', skipping.
[CRITICAL] Specified ext_pillar interface gitstack is unavailable
Signed-off-by: Joe Groocock <me@frebib.net>
