OO-1943: remove hardcoded skipe id

src/main/java/org/olat/user/propertyhandlers/SkypePropertyHandler.java

@@ -47,7 +47,7 @@ public class SkypePropertyHandler extends Generic127CharTextPropertyHandler {
 		if (StringHelper.containsNonWhitespace(skypeid)) {
 			skypeid = StringHelper.escapeHtml(skypeid);
 			StringBuilder sb = new StringBuilder();
-			sb.append("<span>s_rosse</span> <div id=\"SkypeButton_Call_").append(skypeid).append("_1\" class=\"o_skype_button\">")
+			sb.append("<span>").append(skypeid).append("</span> <div id=\"SkypeButton_Call_").append(skypeid).append("_1\" class=\"o_skype_button\">")
 			  .append("<script type=\"text/javascript\">\n")
 			  .append("try{ jQuery.getScript('https://secure.skypeassets.com/i/scom/js/skype-uri.js', function() {\n")
 			  .append("Skype.ui({\n")