- fix vcs.git.class: url is not required field in project settings

- fix project.class: fetch json with curl http get request (new dependency: php5-curl)
- fix project.class: curl does not verify ssl certificate anymore

newEmptyPHP.php

+<?php
+
+/* 
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+

public_html/deployment/classes/project.class.php

@@ -407,6 +407,7 @@ class project {
         }
         $ch = curl_init($url);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
         curl_setopt($ch, CURLOPT_TIMEOUT, $iTimeout);
         $res = curl_exec($ch);
         curl_close($ch);