Update salt to 3005.1

Merge pull request #4 from entanet-devops/defect/PLAT-4063

Upgrade to salt version 3005.1 to match master

Fix python 3.8 incompatibility with jinja2

Merge pull request #3 from entanet-devops/defect/PLAT-2822

Defect/plat 2822

Allow salt version to be specified

1.0.2

Added version variable so we can override salt version per application

1.0.1

allow disable of salt minion via group_vars

1.0.0

stop salt-minion after install