provide repository versions on admin summary page and an upgrade message if you're behind master

Zotlabs/Module/Admin.php

@@ -230,6 +230,12 @@ class Admin extends \Zotlabs\Web\Controller {
 				. ' A list about current PHP versions can be found <a href="http://php.net/supported-versions.php" class="alert-link">here</a>.';
 		}
 
+		$vmaster = get_repository_version('master');
+		$vdev = get_repository_version('dev');
+
+		$upgrade = ((version_compare(STD_VERSION,$vmaster) < 0) ? t('Your software should be updated') : '');
+
+
 		$t = get_markup_template('admin_summary.tpl');
 		return replace_macros($t, array(
 			'$title' => t('Administration'),
@@ -241,6 +247,9 @@ class Admin extends \Zotlabs\Web\Controller {
 			'$channels' => array( t('Registered channels'), $channels),
 			'$plugins'  => array( t('Active plugins'), $plugins ),
 			'$version'  => array( t('Version'), STD_VERSION),
+			'$vmaster'  => array( t('Repository version (master)'), $vmaster),
+			'$vdev'     => array( t('Repository version (dev)'), $vdev),
+			'$upgrade'  => $upgrade,
 			'$build' => get_config('system', 'db_version')
 		));
 	}

include/network.php

@@ -2128,3 +2128,18 @@ function deliverable_singleton($channel_id,$xchan) {
 	return false;
 }
 
+
+
+function get_repository_version($branch = 'master') {
+
+	$path = "https://raw.githubusercontent.com/redmatrix/hubzilla/$branch/boot.php";
+	
+	$x = z_fetch_url($path);
+	if($x['success']) {
+		$y = preg_match('/define(.*?)STD_VERSION(.*?)([0-9.].*)\'/',$x['body'],$matches);
+		if($y)
+			return $matches[3];
+	}
+	return '?.?';
+
+}		

view/tpl/admin_summary.tpl

@@ -2,6 +2,9 @@
 	<h1>{{$title}} - {{$page}}</h1>
 {{if $adminalertmsg}}
 	<p class="alert alert-warning" role="alert">{{$adminalertmsg}}</p>
+{{/if}}
+{{if $upgrade}}
+	<p class="alert alert-warning" role="alert">{{$upgrade}}</p>
 {{/if}}
 	<dl>
 		<dt>{{$queues.label}}</dt>
@@ -29,4 +32,12 @@
 		<dt>{{$version.0}}</dt>
 		<dd>{{$version.1}} - {{$build}}</dd>
 	</dl>
+	<dl>
+		<dt>{{$vmaster.0}}</dt>
+		<dd>{{$vmaster.1}}</dd>
+	</dl>
+	<dl>
+		<dt>{{$vdev.0}}</dt>
+		<dd>{{$vdev.1}}</dd>
+	</dl>
 </div>