Continued with the user management; Removed some unnecessary parts of Shiro; Continued with the template

Added the JSF taglib for Spring Security; Removed the login-"logic" from the UserBean and moved it to the Spring Framework; Started with the usage of templates for the existing pages; Started with the page for the user management; Added more security patters; Added another user for test purposes

Removed some unnecessary filed; Added the icons for the plugins and repositories; Started with a log for the current controller

Updates the themes; Replaced the header from the login-page; Removed the alternating row-colors to avoid problems with other themes

Updated the Kieker logo to a correct version; Reorganized some of the menus, including the icons; Set the message-components to 'sticky'; Made the data table in the overview selectable

Started with an improved version of the GUI, including a multi user mode; Updated also the Kieker-jar.