Customers portal : Added GetAbsoluteAppRoot() JS function to portal.

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@4214 a333f486-631f-4898-b8df-5754b55c2be0

datamodels/2.x/itop-portal-base/portal/src/views/layout.html.twig

@@ -301,6 +301,10 @@
 	
 	{% block pPageLiveScripts %}
 		<script type="text/javascript">
+			var GetAbsoluteUrlAppRoot = function()
+			{
+				return '{{ app['combodo.absolute_url'] }}';
+			};
 			var addParameterToUrl = function(sUrl, sParamName, sParamValue)
 			{
 				sUrl += (sUrl.split('?')[1] ? '&':'?') + sParamName + '=' + sParamValue;