fix: spheres are not hiden when zooming out of cluster
fix: short-keys should always work now (e.g. full-screen), add filter for feature list
add command line option for enabling mixture handling
fix cluster sorting, compute specifity on demand, add null-value threshold for command line export, hidden functionality: disable feature-value sorting, reduce compound name width when feature selected, extend cluster/compound list size
large commit

change:
* show feature values for the whole/filtered dataset
* add filter concept (so far only triggered by chart and tree)
* one can remove / export un-selected compounds
* add hidden tree view for hierachical data

small change:
* hide (make invisible) compounds when a compound is active
* double click to zoom out
* hidden action to filter properties
* hidden action to disable sorting

rewrite:
* do not store clusters in seperate files
* clustering shares some functionality with cluster for zooming purposes
* introduce interface for clustering to hide select functions -> moved to clustering controler
* make sure to not make jmol animation in awt thread
* make sure to make gui interactions only in awt thread
appdomain - fixes

fix: sort according to index when sorting is disabled
fix: export/remove menu updates
extension: appdomain (hidden)
extension: some more command line options
fix : loading dialog posiition
fix: removing compounds/clusters
tree-view stuff
hide-translucent

extend : hide/translucent/solid
refactor : screen index is stored globally
show mean instead of median
add smarts view dialog
enable copy (crtl+c)  for info table selections
add feature string and icon to info table + enable copy (crtl+c) for info table selections
add sort and filter dialog
add sort and filter dialog
un-watch when mouse is in info table