update doc/assets-attribution.txt

doc/assets-attribution.txt

@@ -3,19 +3,18 @@ Icon: src/qt/res/icons/clock*.png, src/qt/res/icons/tx*.png,
 Designer: Wladimir van der Laan
 License: Creative Commons Attribution
 
-Icon: src/qt/res/icons/send.png
-Icon Pack: Vista Style Arrow
-Designer: Icons Land
-License: Freeware Non-commercial
-Site: http://findicons.com/icon/231371/right3green
-
-Icon: src/qt/res/icons/address-book.png
-Icon Pack: Farm-Fresh Web
-Designer: FatCow Web Hosting
-License: Creative Commons Attribution (by)
-Site: http://findicons.com/icon/163938/book_open
+Icon: 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/lock_*.png, src/qt/res/icons/overview.png,
+      src/qt/res/icons/receive.png, src/qt/res/icons/send.png,
+      src/qt/res/icons/synced.png
+Icon Pack: NUVOLA ICON THEME for KDE 3.x
+Designer: David Vignoni (david@icon-king.com)
+          ICON KING - www.icon-king.com
+License: LGPL
+Site: http://www.icon-king.com/projects/nuvola/
 
-Icon: src/qt/res/icons/connect*.png, src/qt/res/icons/synced.png, src/qt/res/icons/lock_*.png
+Icon: src/qt/res/icons/connect*.png
 Icon Pack: Human-O2
 Designer: schollidesign
 License: GNU/GPL
@@ -35,24 +34,11 @@ Designer: http://www.everaldo.com
 Icon Pack: Crystal SVG
 License: LGPL
 
-Icon: src/qt/res/icons/receive.png, src/qt/res/icons/history.png,
-      src/qt/res/icons/export.png
-Designer: Oxygen team
-Icon Pack: Oxygen
-License: Creative Common Attribution-ShareAlike 3.0 License or LGPL
-Site: http://www.oxygen-icons.org/
-
 Icon: src/qt/res/icons/bitcoin.png, src/qt/res/icons/toolbar.png
 Designer: Bitboy (optimized for 16x16 by Wladimir van der Laan)
 License: Public Domain
 Site: http://forum.bitcoin.org/?topic=1756.0
 
-Icon: src/qt/res/icons/overview.png
-Icon Pack: Primo
-Designer: Jack Cai
-License: Creative Commons Attribution No Derivatives (by-nd)
-Site: http://findicons.com/icon/175944/home?id=176221#
-
 Icon:  scripts/img/reload.xcf (modified),src/qt/res/movies/update_spinner.mng
 Icon Pack: Kids
 Designer: Everaldo (Everaldo Coelho)
@@ -64,10 +50,3 @@ Designer: Crobbo (forum)
 Site: https://bitcointalk.org/index.php?topic=32273.0
 License: Public domain
 
-Icon: src/qt/res/icons/key.png
-Designer: VisualPharm (Ivan Boyko)
-Icon Pack: Must Have
-Site: http://findicons.com/icon/51009/key?id=51009
-License: Creative Commons Attribution (by)
-
-