Added group and id to vertical_tabs in elm form
Added group and id to vertical_tabs in elm form

fieldsets inside vertical_tabs where not displayed when using a
no-default theme like bootstrap. Makes sense also to have id's for
those too. Added group and id to make them more compatible.

DiegoPino/islandora_solution_pack_redbiodiversidad-7.x-dev,DiegoPino/islandora_solution_pack_redbiodiversidad-7.x-dev,DiegoPino/islandora_solution_pack_redbiodiversidad-7.x-dev