Merge pull request #1 from scobal/master

merge
Root Seyren URL with only "slash" returns 404 when Seyren run on Tomcat 6.0 and 7.0.
Removing the declaration of "default" servlet works with Tomcat 6.0, Tomcat 7.0 both and without Jetty (via jetty-runner).
Merge pull request #76 from cyrille-leclerc/master

Root Seyren URL with only "slash" returns 404 when Seyren run on Tomcat 6.0 and 7.0