added static icons to html page

src/main/java/org/gcube/datatransfer/resolver/geoportal/exporter/Geoportal_HTML_Page.java

@@ -95,12 +95,13 @@ public class Geoportal_HTML_Page {
 		newHTML += "<img alt=\"D4Science Logo\" src=\"https://services.d4science.org/image/layout_set_logo?img_id=32727\"><br />";
 
 		newHTML += "<div id=\"content\">";
+		newHTML += "<img alt=\"Geoportal Icon\" src=\"img/icon-globe.gif\"><br />";
 		newHTML += "<p id=\"title-geo\">Geoportal</p><br />";
 		newHTML += "<div id=\"inner-content\">";
 		newHTML += "<p style=\"font-size: 18px;\">" + action + "</p>";
 
 		if (waiting) {
-			newHTML += "<img alt=\"D4Science Geoportal Loading...\" src=\"https://data.d4science.org/shub/E_a2Y1N2ZIaUhCVlE5R0JXNjJhVXVsTlNyNVJta2ZKZVFMaG52N2gxZm05VWJOb2RFTVBpa0pyV1hsUlg2WXJSTw==\"><br />";
+			newHTML += "<img alt=\"D4Science Geoportal Loading...\" src=\"img/loading-gears.gif\"><br />";
 		}
 		
 		newHTML += "<br/><p id=\"message\">" + message + "</p>";

src/main/java/org/gcube/datatransfer/resolver/services/StaticImageController.java

@@ -93,9 +93,10 @@ public class StaticImageController {
 					FileInputStream fileIS = null;
 					try {
 						fileIS = new FileInputStream(new File(realPath));
-						IOUtils.copy(new FileInputStream(new File(realPath)), os);
+						IOUtils.copy(fileIS, os);
 					} catch (Exception e) {
 						try {
+							if(fileIS!=null)
 								fileIS.close();
 						} catch (Exception e2) {