fix(ngdoc/api.template): use link filter for module link
fix(ngdoc/api.template): use link filter for module link

This allows the module link to work when relative links are enabled

Closes #148

petebacondarwin/dgeni-packages,petebacondarwin/dgeni-packages,angular/dgeni-packages,angular/dgeni-packages,angular/dgeni-packages,petebacondarwin/dgeni-packages