Added the French translations.

Fixed at the same time some bad English strings.

src/IDF/templates/source/changelog.html

@@ -38,7 +38,7 @@
 {/if}
 {if $scm == 'svn'}
 <form class="star" action="{url 'IDF_Views_Source::changelogRev', array($project.shortname)}" method="get">
-<p><strong>{trans 'Revison:'}</strong> {$commit}</p>
+<p><strong>{trans 'Revision:'}</strong> {$commit}</p>
 <p>
     <input accesskey="4" type="text" value="{$commit}" name="rev" size="5" />
     <input type="submit" name="s" value="{trans 'Go to revision'}" />

src/IDF/templates/source/svn/tree.html

@@ -62,7 +62,7 @@
 {/block}
 {block context}
 <form class="star" action="{url 'IDF_Views_Source::treeRev', array($project.shortname)}" method="get">
-<p><strong>{trans 'Revison:'}</strong> {$commit}</p>
+<p><strong>{trans 'Revision:'}</strong> {$commit}</p>
 <p>
     <input accesskey="4" type="text" value="{$commit}" name="rev" size="5" />
     <input type="hidden" name="sourcefile" value="{$base}"/>