Fix the `ami.ubuntu` example format.
Fix some documentation about 32/64 bit choices.
Merge branch 'develop' of github.com:Proteus-tech/profab into develop
Merge branch 'release/0.4.8' into develop
Merge branch 'develop' of github.com:Proteus-tech/profab into develop
Factor out the Postgres role adding so other roles can be easily added.
Fix the usename column in Postgres
Fix a wrong release name
Bumped version number.
Merge branch 'release/0.4.9'