added two new config options: tagline and sidebar

Templates authors should support these to make the transition between templates easier. Templates which already have a sidebar could first check for $conf['sidebar'] and use it if it's defined, otherwise use their old own sidebar functionality to stay backwards-compatible.

conf/dokuwiki.php

@@ -28,6 +28,8 @@ $conf['mediarevisions'] = 1;              //enable/disable media revisions
 $conf['start']       = 'start';           //name of start page
 $conf['title']       = 'DokuWiki';        //what to show in the title
 $conf['template']    = 'default';         //see lib/tpl directory
+$conf['tagline']     = '';                //tagline in header (if template supports it)
+$conf['sidebar']     = 'sidebar';         //name of sidebar in root namespace (if template supports it)
 $conf['license']     = 'cc-by-nc-sa';     //see conf/license.php
 $conf['fullpath']    = 0;                 //show full path of the document or relative to datadir only? 0|1
 $conf['recent']      = 20;                //how many entries to show in recent

lib/plugins/config/lang/en/lang.php

@@ -62,6 +62,8 @@ $lang['cookiedir']   = 'Cookie path. Leave blank for using baseurl.';
 $lang['start']       = 'Start page name';
 $lang['title']       = 'Wiki title';
 $lang['template']    = 'Template';
+$lang['tagline']     = 'Tagline (if template supports it)';
+$lang['sidebar']     = 'Sidebar page name (if template supports it), empty field disables the sidebar';
 $lang['license']     = 'Under which license should your content be released?';
 $lang['fullpath']    = 'Reveal full path of pages in the footer';
 $lang['recent']      = 'Recent changes';

lib/plugins/config/settings/config.metadata.php

@@ -91,6 +91,8 @@ $meta['title']    = array('string');
 $meta['start']    = array('string','_pattern' => '!^[^:;/]+$!'); // don't accept namespaces
 $meta['lang']     = array('dirchoice','_dir' => DOKU_INC.'inc/lang/');
 $meta['template'] = array('dirchoice','_dir' => DOKU_INC.'lib/tpl/','_pattern' => '/^[\w-]+$/');
+$meta['tagline']  = array('string');
+$meta['sidebar']  = array('string');
 $meta['license']  = array('license');
 $meta['savedir']  = array('savedir');
 $meta['basedir']  = array('string');