clean up install file

_install.php

@@ -12,29 +12,17 @@
  */
 
 if (!defined('DC_CONTEXT_ADMIN')) {
-
     return null;
 }
 
+$new_version = $core->plugins->moduleInfo('postWidgetText', 'version');
+$old_version = $core->getVersion('postWidgetText');
+
+if (version_compare($old_version, $new_version, '>=')) {
+    return;
+}
+
 try {
-    # Check module version
-    if (version_compare(
-        $core->getVersion('postWidgetText'),
-        $core->plugins->moduleInfo('postWidgetText', 'version'),
-        '>='
-    )) {
-
-        return null;
-    }
-
-    # Check Dotclear version
-    if (!method_exists('dcUtils', 'versionsCompare') 
-     || dcUtils::versionsCompare(DC_VERSION, '2.6', '<', false)) {
-        throw new Exception(sprintf(
-            '%s requires Dotclear %s', 'postWidgetText', '2.6'
-        ));
-    }
-
     # Table is the same for plugins
     # pollsFactory, postTask, postWidgetText
     $s = new dbStruct($core->con, $core->prefix);
@@ -72,15 +60,11 @@ try {
     }
 
     # Set module version
-    $core->setVersion(
-        'postWidgetText',
-        $core->plugins->moduleInfo('postWidgetText', 'version')
-    );
+    $core->setVersion('postWidgetText', $new_version);
 
     return true;
-}
-catch (Exception $e) {
+} catch (Exception $e) {
     $core->error->add($e->getMessage());
+}
 
 return false;
-}