avoid 400 bad request error if ssl is enabled and interface is accessed with http instead of https. Instead redirect to the requested page with https at the beginning of the URL.

According to FS#1982

- 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.

- Implemented immediate change of theme on selection
- Fixed error message on incompatible theme

- Implemented session message system (template modifications pending)
- Updated ISPC SVN version number to 3.0.5

Note to all contributors: please use utf-8 encoding in files!

- Fixed errors in system.inc.php-

Fixed: Subtemplates can now be given on client creation in remoting (i.e. 10/34/21 for multiple addons)
Changed: template applying moved to separate class
Fixed: force_suexec was not taken from templates

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