Add fixtures with fake data into applications. Closes #5.

* Add fake media.
* Add initial data for mixture and category apps.
Merge branch 'issue#5-Add_fixtures_+_dev_media' into develop
Retore format to navigation links.
Merge branch 'hotfix' into develop
Add category & mixture matches into search result view. Closes #3.

* Restore format to navigation links.
* Add style to fix position of 'search' text.
* Add class Searchable.
* Add implementation for searchable models.
* Change search queryset using search() method on manager.
* Add h1 header level to category name.
* Crop photos on carousel in home.
* Add category results to search view.
Merge branch 'issue#3-Search_result_must_show_all_that_matches' into develop
Add category & mixture matches into search result view. Closes #3.

* Restore format to navigation links.
* Add style to fix position of 'search' text.
* Add class Searchable.
* Add implementation for searchable models.
* Change search queryset using search() method on manager.
* Add h1 header level to category name.
* Crop photos on carousel in home.
* Add category results to search view.
Add thumbnail presentation and modal for images. Closes #7

* Add holder.js library to create fake thumbnails.
* Change thumbnail format in mixture detail.
* Add modal for images.
Add breadcrumbs in all pages.
Change text link to 'all categories'. Closes #11.
Merge branch 'issue#11-Change_text_in_link_categories' into develop
Thumbnail image for mixture item in category detail. Closes #9.

* Add custom CSS for category pages.
* Add thumbnail for mixture item in category detail.
Merge branch 'issue#9-Image_for_each_mixture_in_category_list' into develop
Merge branch 'develop'

Conflicts:
	poppurri/templates/category_detail.html