Added new options to postfix::server

- luser_relay
- smtpd_delay_reject
- masquerade_classes
- masquerade_domains
Merge pull request #15 from redrampage/master

Added new options to postfix::server
Update ChangeLog and revert cosmetic changes
Update README for indentation and add note about limitations
Add extra_main_parameters to support any extra main.cf directives
Add extension support for dovecot+virtual users
Release 0.3.0
Merge pull request #19 from winks/master

Add extension support for dovecot+virtual users
Update ChangeLog
improve smtp_tls support
Merge pull request #21 from saz/master

improve smtp_tls support
Add new TLS directives (#21, Steffen Zieger)
Release 0.3.1
support more params ($transport_maps, $canonical_maps, $relocated_maps)
add FreeBSD support
Merge pull request #23 from fraenki/freebsd

add FreeBSD support
Cosmetic cleanups and use 'case' in params
Fix typo and fix missing postfix_version in RedHat paths
Update README example
Merge pull request #24 from fraenki/more_params

support more params