save and load of CTImageTreeItem
changed names of datamembers, starting with m_ now
shrinking befor saving
added spin box for shrink factor before saving and matrix size for findLV
added High resolution button
updating display immediately after pressing HighResolution-Buttton
connected shrinking for FindLV with spin wheel; ensured that shrinking is only done if needed
correction for checkShrinking
extracted loadHighResolution method from btn_highResolution_clicked
fixed max memory usage bug
loadHighResolution when item is clicked
display number of current item
bugfix in setimage concerning resolution change
added checkbox for auto load HighResolution ... for testing
changed Qt version, add patch for boost
set up for multithreading
set up multithreading
added best speed parameter for zlib
correction of check for shrinking
changed names of datamembers, starting with m_ now