- changed hhvm handling to match stable branch (FilesMatch in Directory sections) - added changes from stable accordingly

@see http://httpd.apache.org/docs/2.2/en/mod/mod_actions.html#action

(nginx still missing)

- Enable php-fpm socket mode as default.

This will enable all functions, previously disabled in php.ini, like exec which ispconfig needs to functions properly.

Updated apache_ispconfig.conf.master to allow access to phpmyadmin and squirrelmail on opensuse 13.1.

 - Reason:
   AddHandler fcgid-script .php
   does not only parse .php files, but all .php.* (e. g. .php.txt, .php.test etc.)

Changed: apps vhost is now a template (for apache version)
Changed: template if tags can now be of format 'version' to make version comparisons (e.g. 2.12 > 2.2 !)
Changed: New apache 2.4 syntax for deny from all (-> Require all denied) etc.