Reorganized module import.
Dropped the import of constants.VERSION, when it wasn't really needed.
Centralized the import of os, re and locale in VirtualMailManager/__init__.py.
Also moved w_std() and w_err() from vmm to the __init__.py.
# All parameters are described in pgsql_table(5) / PGSQL PARAMETERS## The hosts that Postfix will try to connect to and query from.hosts=localhost# The user name and password to log into the pgsql server.user=postfixpassword=some_password# The database name on the servers.dbname=mailsys# The SQL query template used to search the databasequery=SELECTuidFROMpostfix_uidWHEREaddress='%s'