Add gem bootstrap.sass

Decided to use sass and bootstrap with this gem
so first to install it and then change all css to sass

Signed-off-by: Oscar Sanhueza <oscarsanhueza@gmail.com>
remove bootstrap css and js

They will come with the gem now.

Signed-off-by: Oscar Sanhueza <oscarsanhueza@gmail.com>
Change all css for sass

Signed-off-by: Oscar Sanhueza <oscarsanhueza@gmail.com>
include commens on app.js

Signed-off-by: Oscar Sanhueza <oscarsanhueza@gmail.com>
Add special item id to box2 panel

Signed-off-by: Oscar Sanhueza <oscarsanhueza@gmail.com>
Change layout of list  group for the category box

also override colors

Signed-off-by: Oscar Sanhueza <oscarsanhueza@gmail.com>