Just add https page (adempiere#524)

README.md

@@ -62,7 +62,7 @@ Understanding and learning this knowledge in advance will greatly help the use o
 
 ## Sponsors
 
-<a href="http://erpya.com/"><img width="250px" src="https://i0.wp.com/spin-suite.com/erpya/wp-content/uploads/sites/28/2017/11/ERP-logotipo-H-color.png" /></a>
+<a href="https://erpya.com/"><img width="250px" src="https://i0.wp.com/spin-suite.com/erpya/wp-content/uploads/sites/28/2017/11/ERP-logotipo-H-color.png" /></a>
 <a href="http://www.e-evolution.com/"><img width="250px" src="https://i0.wp.com/mysmart.business/evolution/wp-content/uploads/sites/29/2017/10/e-evolution-logo-v2.png?fit=150%2C92" /></a>
 <a href="http://westfalia-it.com/"><img width="150px" src="https://i1.wp.com/spin-suite.com/westfalia/wp-content/uploads/sites/30/2017/12/logo_copy.jpg?fit=265%2C357" /></a>
 <a href="http://openupsolutions.com/"><img width="250px" src="https://i0.wp.com/spin-suite.com/openupsolutions/wp-content/uploads/sites/32/2017/05/Openup-Solutions-Logo-2017-80x200px.png" /></a>