Add more info to README.org, change header generation to be less noisy

README.org

@@ -169,6 +169,27 @@ card.discover.com###main-content-rwd > div.dmp-slide.show-placement
 #+end_src
 
 
+* Contributing
+Filter lists are tangled out of this document with org-babel. Please submit changes
+to =README.org= rather than the individual filter list files.
+
+
+* License
+#+begin_src txt
+DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+Version 2, December 2004
+
+Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+Everyone is permitted to copy and distribute verbatim or modified copies of this license document, and changing it is allowed as long as the name is changed.
+
+DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+#+end_src
+
+
 * Local Variables :noexport:
 Local Variables:
 org-confirm-babel-evaluate: nil
@@ -177,7 +198,7 @@ End:
 ** Header Generation
 #+name: lastmodified
 #+begin_src shell
-date -u --iso-8601='seconds'
+date -u -I
 #+end_src
 
 #+name: header