Add labels to course participants page

[hans]

Add labels to course participants page as described in the following code:

<label>Course tag:</label>
<div id="edufeedr_educourse_tag">viitamiskursus</div>

<label>Course blog:</label>
<div class="edufeedr_educourse_url"><a href="http://viitamiskursus.wordpress.com/" target = "_blank"  >http://viitamiskursus.wordpress.com/</a></div>

<label>Course wiki:</label>
<div class="edufeedr_educourse_url"><a href="http://beta.wikiversity.org/wiki/Töö_allikatega,_viitamine_ja_viidete_haldamine_e-õppes" target = "_blank"  >http://beta.wikiversity.org/wiki/T&ouml;&ouml;_allikatega,_viitamine_ja_viidete_haldamine_e-&otilde;ppes</a></div>

<label>Sign-up deadline:</label>
<div class="edufeedr_date">June 13, 2010</div>

<label>Course starting date:</label>
<div class="edufeedr_date">April 12, 2010</div

<label>Course ending date:</label>
<div class="edufeedr_date">June 13, 2010</div>

[metz]

(In [99]) labels closes #71