travis: sticking with posttgresql 9.5
travis: sticking with posttgresql 9.5

em92/quakelive-local-ratings,em92/quakelive-local-ratings,em92/pickup-rating,em92/pickup-rating,em92/pickup-rating,em92/quakelive-local-ratings,em92/quakelive-local-ratings,em92/quakelive-local-ratings