Add Gravatar profile image

inc/spot.php

@@ -361,7 +361,9 @@ class Spot extends Main
 	private function getPosts()
 	{
 		$asInfo = array(
+			'select'	=> array(Db::getFullColumnName(self::POST_TABLE, '*'), 'MD5(email) AS email_hash'),
 			'from'		=> self::POST_TABLE,
+			'join'		=> array(User::USER_TABLE => Db::getId(User::USER_TABLE)),
 			'constraint'=> array(Db::getId(Project::PROJ_TABLE) => $this->oProject->getProjectId()),
 			'constOpe'	=> array(Db::getId(Project::PROJ_TABLE) => "=")
 		);