Loading a BDP now automatically initializes the OS upload process for each dataset. Fixes #39.
Merge pull request #40 from mihi-tr/master

escape html in markdown templatetag
Adds a checkbox for dataset auto-upload; fixes #42. Makes it possible to delete data packages; fixes #41.
Sketching out basic user view. Fixes #29.
Adding 'featured visualization' field to projects. Fixes #31.
Fixes #49
Adding tabbed visualization view. Fixes #48.
Fixes #52 by making featured bubbletrees look nicer.
Added more informative message to datasets without visualizations.
Makes add viz page use OS slug. Fixes #54