Django-publications-bootstrap

- Added the possibility to create lists of publications
- Added support for images (requires Pillow)
- Dropped support for Django 1.3

- Restored backwards compatibility with Django 1.3
- Improved BibTex parsing
- Added ISBN field

- Fixed compatibility issues with Django 1.5, breaks compatibility with Django 1.3
- Added institution field
- Added support for custom links and files
- Author names can now be written with umlauts or digraphs and still be recognized as belonging to one author
- Long author lists are now by default abbreviated with *et al.*
- Curly braces are automatically removed from titles so that they can be used in BibTex entries
- Added a changelog