python-sigal-1.4.0-bp151.3.2

- update to 1.4.0:
  - Update libraries used in themes (Galleria, Colorbox, PhotoSwipe) and their
    dependencies.
  - Remove use of CDNs (JQuery, Google fonts).
  - Hint to how to suppress decompressionbomb warnings [:issue:`235`].
  - New plugin for finer control over ignored files [:issue:`233`].
  - New plugin to cache the exif data of images [:issue:`236`].
  - Feeds plugin: include videos in feeds [:issue:`238`].
  - Allow formatting in ``zip_gallery`` [:issue:`244`].
  - Added random thumbnail property for album [:issue:`241`].
  - Improve CSP compatibility with colorbox theme [:issue:`245`].
  - Set html lang attribute based upon locale [:issue:`257`].
  - Resize portrait images to same size as landscape [:issue:`258`].
  - New setting ``thumb_fit_centering`` for tweaking how thumbnails should be
    cropped [:issue:`263`].
  - New settings to configure what file extensions should be recognised as
    images and videos [:issue:`270`].
  - New setting ``datetime_format`` to customize the EXIF datetime format
    [:issue:`271`].
  - Add a progress bar for writing index files [:issue:`234`].
  - Add setting to customize the EXIF datetime format [:issue:`271`].
  - Allow to configure the ffmpeg binary [:issue:`273`].
  - Filter .nomedia files with the source filename [:issue:`295`].
  - Populate title & description from IPTC image data [:issue:`297`].
  - Defer loading of leaflet js til late in the page [:issue:`298`].
  - Add compress_assets plugin [:issue:`300`].
  - Sidebar site logo image in Colorbox [:issue:`292`].

- Compact description, rectify grammar.

- Initial packaging (version 1.3.0)