Cleaner ArchLinux configure.sh, using virtualenv
run.sh: add -f argument for path to database file

Signed-off-by: Thomas Stilwell <stilwellt@openlabs.co>
Merge pull request #584 from matkam/master

Cleaner ArchLinux configure.sh, using virtualenv
Merge pull request #585 from benemorius/db-arg

run.sh: add -f argument for path to database file
_setup_settings: be more robust against partial db creation

Signed-off-by: Thomas Stilwell <stilwellt@openlabs.co>