added stop config for graceful stop from eclipse
now you can add jetty:stop (same as jetty:run) and stop ninja in right
way
(solved issue: if ehcache configured to persist=true, then you click on
red button it kill the process, so its not save the cache to disk)
DemoServletFilter for example
refactor the way ninja boot
app module is extends this file
starting some faq
new way we start the Ninja framework