This reverts commit 8fd2a615.

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

Updated the kieker-jar; Made sure that beans are cleared when changing the page; Removed some minor bugs; Activated redirecting; used the new display connectors; Some quality modifications

Added synchronizations within session-beans; Repositories can now be removed; Corrected some hash map bugs within CurrentWorkSpaceProjectBean; Made sure that the converters deliver a valid string in case of null; Renamed some xhtml-components; Started with the AnalysisViewWorkSpace

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