PostgreSQL users and sample database setup
Merge https://github.com/THEMA-MEDIA/Act-out-of-the-box
sample database files included
Update README.md

a little explanation was needed ?
Update README.md
Merge pull request #2 from Act-Voyager/master

Setup Instructions and some improvements
PostFix auto install
Merge https://github.com/THEMA-MEDIA/Act-out-of-the-box
Merge pull request #4 from THEMA-MEDIA/master

PostgreSQL pre installed