Admin can delete pictures
Delete picture file on hdd
Add user creation when no picture on the blog
Display new user form only if no user in db
Do not display delete link if not logged in
Resize uploaded picture in 2 sizes (1600 & 640)
Update README.rst
Update schema.sql
Added video support (but no admin UI)
Merge branch 'master' of https://github.com/johanpoirier/wallblog
Added validation on comment form
Fixed case of filename (consistency with main.js)