Remove MooseX::AttributeHelpers, the good parts were merged into Moose

Signed-off-by: Pedro Melo <melo@simplicidade.org>
Added Dancer2

Signed-off-by: Pedro Melo <melo@simplicidade.org>
Prep next release

Signed-off-by: Pedro Melo <melo@simplicidade.org>
Cleanup old stuff, include new stuff

Signed-off-by: Pedro Melo <melo@simplicidade.org>