large bad practice commit

new feature:
cluster shows now median +- stdev of selected prop in the top left list
cluster props are shown on the right, just like compound props
color feature value numbers accordingly in panels
sort features accroding to specifity
add cluster data table
add specificites to cluster table and compound table
add feature value range summary to chart
command-line: directly store props

fix:
export to sdf from command line

refactor:
data table dialog refactoring