Word wrap user’s commit message in result window.

Also use htmlize_attr instead of htmlize. The latter is not for use with <pre> as it will convert whitespace sequences to use non-breaking spaces and newlines to ‘<br>\n’ (which was resulting in doubling the line breaks).

Semantically htmlize_attr is for escaping attribute value content, but in practice it is simply entity-encoding the content.

Support/app/views/commit/_commit_result.html.erb

@@ -10,7 +10,7 @@
 </ul>
 
 <h2>Using Message:</h2>
-<pre><%= htmlize(message) %></pre>
+<pre style="white-space: pre-wrap;"><%= htmlize_attr(message) %></pre>
 
 <% if result[:rev] %>
   <h2>Diff of committed changes:</h2>