Move status messages into new class

includes/status_messages.php

@@ -0,0 +1,22 @@
+<?php
+class StatusMessages {
+  public $messages = array();
+
+  public function addMessage($message, $level='success', $dismissable=true) {
+    $status = '<div class="alert alert-'.$level;
+    if ($dismissable) $status .= ' alert-dismissable';
+    $status .= '">'.$message;
+    if ($dismissable) $status .= '<button type="button" class="close" data-dismiss="alert" aria-hidden="true">x</button>';
+    $status .= '</div>';
+
+    array_push($this->messages, $status);
+  }
+
+  public function showMessages($clear = true) {
+    foreach($this->messages as $message) {
+      echo $message;
+		}
+		if ( $clear ) $this->messages = array();
+	}
+}
+?>