Begin porting to Bootstrap 3

Viewing (posts, comments, users) part is almost completed.

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
More porting to Bootstrap 3 (forms, containers, rows)

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Post view: do not purify output (too many restrictions)

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Pages: do not purify output

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Page form ported to Bootstrap 3

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Upgrade Bootstrap to 3.2.0

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Posts: port form to bs3

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Various style fixes for danger alerts

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Fix form styles in admin views

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

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Fix README (now using Bootstrap 3)

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

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

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

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