Changed version scheme.

According to what saltstack-formulas community
does. This differs from what salt itself advises...

FORMULA

 name: hshbase
 os: Debian, FreeBSD
 os_family: Debian, FreeBSD
-version: 201907
+version: 1.0.0
 release: 1
 summary: Formula that bundles some base configuration we want to enforce everywhere.
 description: Not more to say as said in the summary already.