feat(ngdoc/templates/base.template): make 'Improve this Doc' lead to appropriate line
feat(ngdoc/templates/base.template): make 'Improve this Doc' lead to appropriate line

Closes #76

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