Cleaned up a lot of code; Modified the visual appearance of the GUI itself; Removed bugs; Added some localization strings; Updated the flow editor; replaced the checkstyle config file with the newer one from the Kieker project; Removed a lot of unnecessary comments to make the code easier to read

Updated some libraries; Solved the context problem when using the maven jetty plugin; Continued with the templates

Solved some security/redirecting issues with the root context; Corrected the login form; Corrected the link for the logout