new icons for linux, etc.

- new xpm resources for different linux window managers
- new png files for autoresizing on different linux window managers
- favicon with new logo
- window .ico with new logo
- updated debian package script
- updated changelog

contrib/debian/bitcoin-qt.install

@@ -1,5 +1,6 @@
 bitcoin-qt usr/bin
 share/pixmaps/bitcoin32.xpm usr/share/pixmaps
-share/pixmaps/bitcoin80.xpm usr/share/pixmaps
+share/pixmaps/bitcoin16.xpm usr/share/pixmaps
+share/pixmaps/bitcoin128.png usr/share/pixmaps
 debian/bitcoin-qt.desktop usr/share/applications
 debian/bitcoin-qt.protocol usr/share/kde4/services/