Added the support of Mercurial.

src/IDF/templates/idf/source/changelog.html

@@ -28,15 +28,14 @@
 </table>
 {/block}
 {block context}
-{if $scm == 'git'}
+{if $scm != 'svn'}
 <p><strong>{trans 'Branches:'}</strong><br />
 {foreach $branches as $branch}
 {aurl 'url', 'IDF_Views_Source::changeLog', array($project.shortname, $branch)}
 <span class="label{if $commit == $branch} active{/if}"><a href="{$url}" class="label">{$branch}</a></span><br />
 {/foreach}
 </p>
-{/if}
-{if $scm == 'svn'}
+{else}
 <form class="star" action="{url 'IDF_Views_Source_Svn::changelogRev', array($project.shortname)}" method="get">
 <p><strong>{trans 'Revision:'}</strong> {$commit}</p>
 <p>
@@ -44,7 +43,6 @@
     <input type="submit" name="s" value="{trans 'Go to revision'}" />
 </p>
 </form>
-
 {/if}
 {/block}