Added a link to the ppt on the documentation page

Modified CSS style to center images

Removed unused methods from subclasses

Modified test dir prefix to allow eclipse and idea to reach the files with different base directories

Modified test dir prefix to allow eclipse and idea to reach the files with different base directories

Now checking if a mbean is already registered under the same ObjectName to prevent an javax.management.InstanceAlreadyExistsException when reloading the access configuration

Added an entry in the faq about automatic configuration
Improved documentation

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- The setMarker now takes a string instead of Marker.