added new calendar system

www/extras/calendar/README

@@ -0,0 +1,31 @@
+The DHTML Calendar
+-------------------
+
+  Author: Mihai Bazon, <mishoo@infoiasi.ro>
+          http://dynarch.com/mishoo/
+
+  This program is free software published under the
+  terms of the GNU Lesser General Public License.
+
+  For the entire license text please refer to
+  http://www.gnu.org/licenses/lgpl.html
+
+Contents
+---------
+
+  calendar.js     -- the main program file
+  lang/*.js       -- internalization files
+  *.css           -- color themes
+  cal.html        -- example usage file
+  doc/            -- documentation, in PDF and HTML
+  simple-1.html   -- quick setup examples [popup calendars]
+  simple-2.html   -- quick setup example for flat calendar
+
+Homepage
+---------
+
+  For details and latest versions please refer to calendar
+  homepage, located on my website:
+
+    http://dynarch.com/mishoo/calendar.epl
+