Merge pull request #6 from caktus/JeremyGibson-patch-1

Point the postgres repo at the archive

Merge pull request #4 from caktus/add-apt-repos-before-install

Add Postgres repo and its key before trying to install Postgres

Merge pull request #2 from caktus/tequila-adoption-prep

Tequila adoption prep

Merge pull request #1 from caktus/DJAN-107_tequila_adoption

DJAN-107 tequila adoption