testing welcome file again

Change-Id: I2f4b574e2b66e1f2b02172663ec7f5f156745f57

jams-server/src/main/java/net/jami/jams/server/core/TomcatLauncher.java

@@ -95,7 +95,7 @@ public class TomcatLauncher {
         }
         context.setResources(resources);
         //We always go to login by default.
-        context.addWelcomeFile("/templates/signup.html");
+        context.addWelcomeFile("templates/signup.html");
         ErrorPage errorPage = new ErrorPage();
         errorPage.setErrorCode(404);
         context.addErrorPage(errorPage);