[doc] Merge doc/assets-attribution.md into contrib/debian/copyright

Even though the SVG source files are never used in the QT client,
their authors are mentioned in contrib/debian/copyright due to
simplicity.

contrib/debian/copyright

@@ -49,11 +49,13 @@ License: MIT/Expat
 Comment: Site: https://github.com/stephenhutchings/typicons.font
 
 Files: src/qt/res/icons/connect*.png
+       src/qt/res/src/connect-*.svg
 Copyright: Marco Falke
 License: MIT/Expat
 Comment: Inspired by Stephan Hutchings Typicons
 
 Files: src/qt/res/icons/tx_mined.png
+       src/qt/res/src/mine.svg
 Copyright: Jonas Schnelli
 License: MIT/Expat
 Comment:
@@ -62,13 +64,17 @@ Files: src/qt/res/icons/clock*.png
        src/qt/res/icons/eye_*.png
        src/qt/res/icons/verify.png
        src/qt/res/icons/tx_in*.png
+       src/qt/res/src/clock_*.svg
+       src/qt/res/src/tx_*.svg
+       src/qt/res/src/verify.svg
 Copyright: Stephan Hutching, Jonas Schnelli
 License: MIT/Expat
 Comment: Modifications of Stephan Hutchings Typicons
 
-Files: src/qt/res/icons/bitcoin.*
-       src/qt/res/icons/about.png
+Files: src/qt/res/icons/about.png
+       src/qt/res/icons/bitcoin.*
        share/pixmaps/bitcoin*
+       src/qt/res/src/bitcoin.svg
 Copyright: Bitboy, Jonas Schnelli
 License: PUB-DOM
 Comment: Site: https://bitcointalk.org/?topic=1756.0

doc/assets-attribution.md

@@ -1,70 +1 @@
-The following is a list of assets used in the bitcoin source and their proper attribution.
-
-[Typicons/Stephen Hutchings](http://typicons.com)
------------------------
-
-### Info
-* Icon Pack: Typicons (http://typicons.com)
-* Designer: Stephen Hutchings (and more)
-* License: MIT
-* Site: [https://github.com/stephenhutchings/typicons.font](https://github.com/stephenhutchings/typicons.font)
-
-### Assets Used
-    src/qt/res/icons/add.png
-    src/qt/res/icons/address-book.png
-    src/qt/res/icons/configure.png
-    src/qt/res/icons/debugwindow.png
-    src/qt/res/icons/edit.png
-    src/qt/res/icons/editcopy.png
-    src/qt/res/icons/editpaste.png
-    src/qt/res/icons/export.png
-    src/qt/res/icons/eye.png
-    src/qt/res/icons/filesave.png
-    src/qt/res/icons/history.png
-    src/qt/res/icons/info.png
-    src/qt/res/icons/key.png
-    src/qt/res/icons/lock_*.png
-    src/qt/res/icons/open.png
-    src/qt/res/icons/overview.png
-    src/qt/res/icons/quit.png
-    src/qt/res/icons/receive.png
-    src/qt/res/icons/remove.png
-    src/qt/res/icons/send.png
-    src/qt/res/icons/synced.png
-    src/qt/res/icons/transaction*.png
-    src/qt/res/icons/tx_output.png
-    src/qt/res/icons/warning.png
-
-Other
------------------------
-
-### Info
-* Designer: Jonas Schnelli, Bitboy, Stephen Hutchings, Marco Falke
-* Bitcoin icon: Based on the original bitcoin logo from Bitboy
-* Network connection icons: Marco Falke, inspired by flow-merge.svg from Stephen Hutchings
-* Transaction-mined icon: Jonas Schnelli
-* Other icons are based on Stephan Hutchings Typicons
-* License: MIT
-
-### Assets Used
-    src/qt/res/icons/about.png
-    src/qt/res/icons/about_qt.png
-    src/qt/res/icons/bitcoin.icns
-    src/qt/res/icons/bitcoin.ico
-    src/qt/res/icons/bitcoin.png
-    src/qt/res/icons/clock*.png
-    src/qt/res/icons/connect*.png
-    src/qt/res/icons/eye_minus.png
-    src/qt/res/icons/eye_plus.png
-    src/qt/res/icons/verify.png
-    src/qt/res/icons/tx_inout.png
-    src/qt/res/icons/tx_input.png
-    src/qt/res/icons/tx_mined.png
-    src/qt/res/src/bitcoin.svg
-    src/qt/res/src/clock_*.svg
-    src/qt/res/src/connect-*.svg
-    src/qt/res/src/mine.svg
-    src/qt/res/src/qt.svg
-    src/qt/res/src/tx_*.svg
-    src/qt/res/src/transaction0.svg
-    src/qt/res/src/verify.svg
+The list of assets used in the bitcoin source and their attribution can now be found in [contrib/debian/copyright](../contrib/debian/copyright).