add EntityManagerAdapter interface for separating the entity world from cena.
experiment with EmAdapter…
manage entity/short name relation by EntityMap class.
getEntityByCenaId to always return an entity;
forge an entity if not found.
EmAdapters should be a singleton object, just like CenaManager.
removed unused code.
add ema method to return EntityManagerAdapter object.
refactor CenaIO::popHtml not to use parents; use EmAdapter instead.
not to use parent in CenaIO::load method; use EmAdapter's loadData method.
not to use parent in CenaIO::loadLink method; use EmAdapter's relate method.
add PHPDoc comments; removed unused imported class.
refactor Html to use EmAdapter to manage entity property.
Html class of Cena is completely DataMapper independent.
renamed methods in Construct class; clear about what they do.
CenaIO is completely independent from WScore\DataMapper.
more methods for EmAdapter; taking care of errors.