Upgrade Bootstrap and jQuery

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Upgrade Bootstrap

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Fix configuration

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Fix delete button in post form (fix #10)

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>