I would like to create domain class and controller with package instead of place it in the domains, controllers
directory of Grails application. Grails allow this case, we can create domain/controller and place it in package under
domains, controllers directory of Grails application with package directive for those arterfacts.

For Netbeans 6.5 on Mac OS (not tested with other),
1. creating a domain class with the name com.example.project.Item for domain class will cause a 'Please input a valid
name' error message
2. I create a domain class with name Item, then create some folder 'com/example/project' and move Item.groovy into the
created folders, place a 'package com.example.project;' at the very top of 'Item.groovy'. But now, the 'Generate All'
and 'Generate View' in the context menu of Item.groovy is disabled.

Expected result:
1. Creating a domain class/controller accept com.example.project.Item as name, NB create com/example/project folder,
generate Item.groovy with 'package com.example.project;' at begin of Item.groovy (grails already accept
com.example.project.Item to do those thing, actually we just needs to accept com.example.project.Item and pass to grails
tool)
2. Detect an Groovy class is domain class or controller not only by the just upper directory but by
<app-dir>/grail-app/domains or <app-dir>/grail-app/controllers directory.