Import mimetypes

[misli]

Some components contain mimetypes, which are not being imported:

    <mimetypes>
      <mimetype>image/bmp</mimetype>
      <mimetype>image/gif</mimetype>
      <mimetype>image/jpeg</mimetype>
      <mimetype>image/png</mimetype>
      <mimetype>image/tiff</mimetype>
      <mimetype>image/x-portable-bitmap</mimetype>
      <mimetype>image/x-portable-graymap</mimetype>
      <mimetype>image/x-portable-pixmap</mimetype>
    </mimetypes>