title: TortoiseHG clone not working and Verify action give warning
body: <p>I am trying to clone a project from remote server and I am getting <code>about:data/.hgignore@91e50004122 no mathc found! [Code - 255]</code> error.</p>
  
  <p>While verifying the repository, getting following warning.</p>
  
  <pre><code>% hg verify --verbose
  repository uses revlog format 1
  checking changesets
  checking manifests
  crosschecking files in changesets and manifests
  checking files
   .hgignore@0: 91e5004a1522 in manifests not found
  386 files, 22 changesets, 492 total revisions
  1 integrity errors encountered!
  (first damaged changeset appears to be 0)
  </code></pre>
  
  <p>I also tried to use "Recover" option, but still it is not working.
  "Recover" option gives the following messsage.</p>
  
  <pre><code>% hg recover --verbose
  no interrupted transaction available
  </code></pre>
  
  <p>Could you please let me know how to resolve this issue and clone the project.</p>