Initial version of new visual classifier

Signed-off-by: Luiz Carlos Cavalcanti <cavalcanti.luiz@gmail.com>
Improvements on manual classifier UI

Signed-off-by: Luiz Carlos Cavalcanti <cavalcanti.luiz@gmail.com>
Added image navigation and building classification

Signed-off-by: Luiz Carlos Cavalcanti <cavalcanti.luiz@gmail.com>
Merge pull request #1 from luizcavalcanti/multiclass

Multiclass