request #7408 - No value returned for the specified parameters in the build

Change-Id: I95ee542fc099d8c720ef31411b25178bcc418de8
Fix request #7372: Radio button: useless none value

There is no need to display a "None" option for a group of radio button
that is required.

It is now removed from submit, update and admin view.

Change-Id: I2eedc11c76580d0261299992d1e50d9822bad330
requestt #7379 Delete sflogo.php no longer used (since 2008)

Change-Id: I329e6bd9276b4c2fec02c819b4e6c72cf5f60307
Fix request #7374: Submit bar does not appear with canned responses

The issue is that if we only choose a canned response (no field change),
then the submit bar does not appear and we cannot update the artifact.

Change-Id: I53e58e21101d89792fe8c39e3a33a60659404309
Fix request #7375: Display color of trackers in the agiledashboard

When I choose a color for a tracker, I expect that the color is also
used in the agiledashboard. This helps to better understand what is
what in the content or planning view under the "type" column.

Change-Id: Ib17efd1b069c24413db82b891d9d6650bc89e054