PM-767 "BPMN Designer Añr lista de messages"

> ProcessMaker-MA "Message (endpoints)"
  - Se han implementado los siguientes Endpoints:
  GET    /api/1.0/{workspace}/project/{prj_uid}/message-types/{msgt_uid}
  GET    /api/1.0/{workspace}/project/{prj_uid}/message-type/{msgt_uid}
  POST   /api/1.0/{workspace}/project/{prj_uid}/message-type
  PUT    /api/1.0/{workspace}/project/{prj_uid}/message-type/{msgt_uid}
  DELETE /api/1.0/{workspace}/project/{prj_uid}/message-type/{msgt_uid}
- Se han implementado los metodos necesarios para el Export, Import y Delete (delete Process) de este nuevo "Objeto"

workflow/engine/src/ProcessMaker/BusinessModel/EmailServer.php

@@ -225,7 +225,7 @@ class EmailServer
 
                 try {
                     $arrayTestMailResult = $this->sendTestMail($arrayDataMail);
-                } catch (Exception $error) {
+                } catch (Exception $e) {
                     $arrayTestMailResult["status"] = false;
                     $arrayTestMailResult["message"] = $e->getMessage();