[dev] _PERM_SHOW for application viewing

[W. David Betts]

This patch allows applications to be hidden from users based on the
_PERMS_SHOW permission for the application.  If a permission for the
application doesn't exist the application is displayed so that a permison
doesn't have to be added for every application in the system.

--david

Index: services/portal/menu.php
===================================================================
RCS file: /repository/horde/services/portal/menu.php,v
retrieving revision 2.52
diff -r2.52 menu.php
53a54
> require_once HORDE_BASE . '/lib/Perms.php';
61a63,64
> $perms = &Perms::singleton();
>
78a82,91
>
>     // check that the user has permissons to see this application, admin
users always see all apps
>     if ( ($perms->exists($app)) && !($perms->hasPermission($app,
Auth::getAuth(), _PERMS_SHOW))
>     	&& !(Auth::isAdmin())) {
>
>     	Horde::logMessage(sprintf("User %s doesn't have SHOW permision for
%s",Auth::getAuth(),$app),
>     					  __FILE__,__LINE__,PEAR_LOG_DEBUG);
>     	continue;
>     }
>
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