Replace icons with Nuvola (LGPL 2.1): some (but not all) GPL-licensed

contrib/debian/copyright

@@ -35,17 +35,19 @@ License: CC-BY-3
 
 Files: src/qt/res/icons/address-book.png, src/qt/res/icons/export.png,
        src/qt/res/icons/history.png, src/qt/res/icons/key.png,
-       src/qt/res/icons/overview.png, src/qt/res/icons/receive.png,
+       src/qt/res/icons/lock_*.png, src/qt/res/icons/overview.png,
-       src/qt/res/icons/send.png
+       src/qt/res/icons/receive.png, src/qt/res/icons/send.png,
+       src/qt/res/icons/synced.png
 Copyright: David Vignoni (david@icon-king.com)
            ICON KING - www.icon-king.com
 License: LGPL
 Comment: NUVOLA ICON THEME for KDE 3.x
          Original icons: kaddressbook, klipper_dock, view-list-text,
-                         key-password, kfm_home, go-down, go-next
+                         key-password, encrypted/decrypted, kfm_home, go-down,
+                         go-next, dialog-ok
          Site: http://www.icon-king.com/projects/nuvola/
 
-Files: src/qt/res/icons/connect*.png, src/qt/res/icons/synced.png, src/qt/res/icons/lock_*.png
+Files: src/qt/res/icons/connect*.png
 Copyright: schollidesign
 License: GPL-3+
 Comment: Icon Pack: Human-O2