This reverts commit 8fd2a615.

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

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

Updated the kieker-jar; Added the possibility to save an existing project and to add components; Added also a new and short README.

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