Rename email file

Author: fpalacios

emails/EMail_IDS_04_22_2018.html emails/su2_email_IDS_04_22_2018.htmlemails/EMail_IDS_04_22_2018.html renamed to emails/su2_email_IDS_04_22_2018.html

@@ -231,10 +231,10 @@ <h3>The <font color="#B22234">S</font><font color="#3C3B6E">U</font><font color=
 
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-              <p> Having trouble viewing this email? View it as a <a href="https://su2code.github.io/emails/EMail_IDS_04_22_2018.html">webpage.</a></p>
+              <p> Having trouble viewing this email? View it as a <a href="https://su2code.github.io/emails/su2_email_IDS_04_22_2018.html">webpage.</a></p>
 
               <p>SU2 is maintained by developers all around the world and is released under an open-source license (LGPL v2.1).
-              This list is only used to disseminate important information regarding our software. The development team respects your privacy, and should you wish, you can <a href="mailto:admin@su2devsociety.org"><unsubscribe>unsubscribe</unsubscribe></a>.
+              This list is only used to disseminate important information regarding our software. The development team respects your privacy, and should you wish, you can <a href="http://su2devsociety.org/unsubscribe-su2/"><unsubscribe>unsubscribe</unsubscribe></a>.
               </p><br>
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