i18n update

git-svn-id: https://josm.openstreetmap.de/svn/trunk@7479 0c6e7542-c601-0410-84e7-c038aed88b3b
use native LAF (`com.apple.laf.AquaLookAndFeel`) on OS X

git-svn-id: https://josm.openstreetmap.de/svn/trunk@7480 0c6e7542-c601-0410-84e7-c038aed88b3b
Initial functionality to download notes in a bounding box
Initial commit of a note downloading task