New global option to grant reseller users access to the options (advanced) tab in web domains and vhost subdomains

Implemented checkboxes in Interface Config to enable showing/hiding the tabs Mail Filters, Autoresponders and Custom Rules for mailboxes.

See also http://www.howtoforge.com/forums/showthread.php?t=59539

 - added configuration options to server config (web tab, php section)
 - do not update custom php.inis if md5sum file does not exist

- New feature: you can now add directive snippets for Apache, nginx, and PHP under System > Directive Snippets. These snippets are then available on the Options tab of a web site where they can be easily added to the respective textarea by simply clicking the name of the directive snippet.

Fixed: password match function blocked tabs incorrectly
Fixed: set focus on username input field threw an error if this field did not exist on a page

Implemented:  FS#2388 - Optional confirm window on changing tabs

Corrected paths in main tpl

Moved old default theme to themes/default-304

- Added overtraffic notifications to traffic quota system (part of FS#2059 - Extend Traffic quota system)

Bugfix: Show error message on smtp enabled without administrator mail / name

all flags as separate .png files: https://github.com/downloads/foe-services/ispc-larry/flags_separate.rar
.psd files for all flags as layers and sprite: https://github.com/downloads/foe-services/ispc-larry/flags_psd.rar

This option can be enabled under System > Server config and is named "Web folder protection".