added <IfModule mod_version.c> because gentoo has no mod version installed by default
added <IfModule mod_proxy_fcgi.c>

• Added configure_dovecot function
• Updated functions configure_postfix, configure_pureftpd, configure_apache, install_ispconfig, configure_apps_vhost
• Bug fix in configure_amavis where installer was not including the ispconfig config file
• Bug fix in configure_apache where in suphp.conf the php handler line would be duplicated through updates
• replace double-quoted strings with single-quoted whenever appropriate
• changed inline comments to coding standards
• fixed OS specific paths
• changes to installer_base 1) add_database_server_record added os specific override of awstats paths 2) find_installed_apps courier not detecting correctly for gentoo

Put vlogger log directives in separate apache config file so they are available for the websites even if the controlpanel is not installed on the server.

Comment out the listen directive in the ispconfig.vhost file if the port for ispconfig is 80 or 443.

- Fixed a few bugs in suphp implementation.

Added fastcgi support by default into the ISPConfig vhost.
Copies over the fastcgi starter script into /usr/local/ispconfig/interface/bin/

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