debian/control.stub: Update junior-tasks description

debian/changelog

@@ -10,6 +10,7 @@ debian-junior (1.23) UNRELEASED; urgency=medium
       Debian Junior Maintainers <debianjr-maintainers@lists.alioth.debian.org>
     - Use git Vcs fields
     - Add Homepage
+    - Update junior-tasks description, mentioning junior tasks page
   * tasks/arcade
     - Add tuxpuck
   * tasks/art

debian/control.stub

@@ -15,7 +15,6 @@ Package: junior-tasks
 Architecture: all
 Depends: tasksel
 Description: Debian Jr. tasks for tasksel
- This package provides Debian Jr. tasks in tasksel.  Tasksel is an
- alternate way to the metapackages approach to install packages which
- are intersting for the target group of Debian Jr.
-
+ This package provides Debian Jr. tasks in tasksel.
+ .
+ These tasks are described in detail at http://blends.debian.org/junior/tasks/