Add license info to javascript underlay

debian/changelog

@@ -10,6 +10,8 @@ ikiwiki (3.20150615) UNRELEASED; urgency=medium
   * emailauth: Added emailauth_sender config.
   * Modified page.tmpl to to set html lang= and dir= when
     values have been specified for them, which the po plugin does.
+  * Specifically license the javascript underlay under the permissive
+    basewiki license.
 
   [ Simon McVittie ]
   * Run autopkgtest tests using autodep8 and the pkg-perl team's

underlays/javascript/ikiwiki/ikiwiki.js

@@ -1,3 +1,7 @@
+// © 2006-2010 Joey Hess
+// Redistribution and use in source and compiled forms, with or without
+// modification, are permitted under any circumstances. No warranty.
+//
 // ikiwiki's javascript utility function library
 
 var hooks;

underlays/javascript/ikiwiki/relativedate.js

@@ -1,3 +1,7 @@
+// © 2006-2010 Joey Hess
+// Redistribution and use in source and compiled forms, with or without
+// modification, are permitted under any circumstances. No warranty.
+//
 // Causes html elements in the 'relativedate' class to be displayed
 // as relative dates. The date is parsed from the title attribute, or from
 // the element content.

underlays/javascript/ikiwiki/toggle.js

@@ -1,3 +1,7 @@
+// © 2006-2010 Joey Hess
+// Redistribution and use in source and compiled forms, with or without
+// modification, are permitted under any circumstances. No warranty.
+//
 // Uses CSS to hide toggleables, to avoid any flashing on page load. The
 // CSS is only emitted after it tests that it's going to be able
 // to show the toggleables.