Implemented FELIX-5019 : [webconsole] "referer" parameter for configuration open/create link
https://issues.apache.org/jira/browse/FELIX-5019

Applied the patch from Balazs Zsoldos. Thank you!

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1703394 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/webconsole/src/main/resources/templates/config.html b/webconsole/src/main/resources/templates/config.html
index bba09c0..b1d0cc4 100644
--- a/webconsole/src/main/resources/templates/config.html
+++ b/webconsole/src/main/resources/templates/config.html
@@ -4,6 +4,7 @@
 // data
 var configData = ${__data__};
 var selectedPid = '${selectedPid}';
+var configurationReferer = '${configurationReferer}';
 var factoryCreate = ${factoryCreate};
 var i18n = { // i18n
 	stat_ok      : '${config.status.ok}', // "Configuration Admin Service is running.";