Increase import timeout from 2 to 4 minutes

This file was missed in https://github.com/gitlabhq/gitlabhq/commit/4535db04b28996baf118bafeb77acd16065e5c5a.

app/views/projects/new.html.haml

@@ -50,7 +50,7 @@
               .bs-callout.bs-callout-info
                 This url must be publicly accessible or you can add a username and password like this: https://username:password@gitlab.com/company/project.git.
                 %br
-                The import will time out after 2 minutes. For big repositories, use a clone/push combination.
+                The import will time out after 4 minutes. For big repositories, use a clone/push combination.
       %hr
 
       .form-group