added Silk icons by Mark James (CC-BY)

COPYING-README

@@ -2,13 +2,14 @@ Files in ownCloud are licensed under the Affero General Public License version 3
 the text of which can be found in COPYING-AGPL, or any later version of the AGPL,
 unless otherwise noted.
 
-Components of ownCloud:
-* jQuery is dual licensed under MIT and GPL
-* HTTP is three clause BSD license
-* MDB2 uses a custom license in the BSD style
-* User is AGPL
-* XML/RPC is both MIT and PHP license
+Licensing of components:
+* jQuery: MIT / GPL
+* HTTP: 3 clause BSD
+* MDB2: BSD style custom
+* User: AGPL
+* XML/RPC: MIT / PHP
+* Silk icons: Creative Commons Attribution 
 All unmodified files from these and other sources retain their original copyright
 and license notices: see the relevant individual files.
 
-Attribution information for ownCloud is contained in the AUTHORS file.
+Attribution information for ownCloud is contained in the AUTHORS file.

core/img/filetypes/readme.txt

@@ -0,0 +1,22 @@
+Silk icon set 1.3
+
+_________________________________________
+Mark James
+http://www.famfamfam.com/lab/icons/silk/
+_________________________________________
+
+This work is licensed under a
+Creative Commons Attribution 2.5 License.
+[ http://creativecommons.org/licenses/by/2.5/ ]
+
+This means you may use it for any purpose,
+and make any changes you like.
+All I ask is that you include a link back
+to this page in your credits.
+
+Are you using this icon set? Send me an email
+(including a link or picture if available) to
+mjames@gmail.com
+
+Any other questions about this icon set please
+contact mjames@gmail.com