Postgres modules now respects the pillar setting postgres.pass, as promised in the documentation
Needed to rename the password for newly created or changed roles to rolepassword.
Fixed wrong assumption of how passwords are used by psql.
Added helper function to change running environment of psql
Fixed an SQL statement bug, version check bug and added previously missed password from config.option check
Merge remote-tracking branch 'upstream/develop' into postgres-pass
removed redundant copying of the runtime environment
Merge pull request #4053 from grischa/postgres-pass

postgres.pass setting enabled and some bug fixes for salt.module.postgres