first commit detail template
Merge branch 'author-domain-class' of github.com:fatimacasau/blog-example-grails-app into author-domain-class

Conflicts:
	grails-app/views/post/_detail.gsp
Merge branch 'comment-domain-class' of github.com:fatimacasau/blog-example-grails-app into comment-domain-class
message & taglib to show messages