message: Drop the "org" part of plugin downloads.
  Leaves directories with the same name as the repo.
  Works if we switch to using git clone / update
  Consistent with expectations
  If a repo is forked, the old version isn't left around
diff: @@ -361,7 +361,10 @@ void DownloaderWidget::unzipPlugin()
  // OpenChemistry-crystals-a7c672d
  // we want to check for OpenChemistry-crystals
  QStringList namePieces = newFiles[0].split('-');
  + if (namePieces.length() >= 3) {
  namePieces.removeLast(); // drop the hash
  + namePieces.removeFirst(); // drop the org
  +
  QString component = namePieces.join('-');
  // Check if there's a previous install
  @@ -374,6 +377,7 @@ void DownloaderWidget::unzipPlugin()
  // OpenChemistry-crystals-a7c672d
  QDir().rename(extractDirectory + '/' + newFiles[0], destination);
  }
  + }
  } else {
  m_ui->readmeBrowser->append(
  tr("Error while extracting: %1").arg(ret.first()));
  