change find function in ExamMapper ... not finished
exampe ajax corse interface
add first statistics for uploads by year
add download and upload statistics
add jpgraph 3.5.0b1
add download statistic
add download statistics
add course exam download statistics
fix course ranking in statistics download
update loging and add activity log page
add max element selection
add course examination frontend
fix examination
move satistics to own controller
update examination frontend
delete moved statistics files
fix deleting multiple files
fix download counting and logging while loading exams in the statistics module
modify doc header
add javascript to forward faster on normal search, fix #53