fix #8424 - "Select" and "Delete" actions operate on wrong relations when filter is used in relation toggle dialog

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5709 0c6e7542-c601-0410-84e7-c038aed88b3b
fix #8419 - RelationComparator considers different relations equal (patch by Zverikk)

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5710 0c6e7542-c601-0410-84e7-c038aed88b3b
fix #8415 - Replaced shortcut Ctrl-Alt-Shift-U. It now uploads current selection instead of uploading preferences in the applet (patch by Cobra)

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5711 0c6e7542-c601-0410-84e7-c038aed88b3b