Fixed outdated example, Unit testing controllers, testing duplicate form submission
GRAILS-6512: Specify the main difference between integration and functional testing phases
Merge pull request #136 from mieky/GRAILS-6512

GRAILS-6512: Specify the difference between integration and functional testing phases
GRAILS-2871 - data binding docs

Updates to the data binding docs, much of which relates specifically to binding to collections.
Merge pull request #134 from greggigon/master

Fixed example for Unite testing controllers, Duplicate form submission
docs for RESTful URL mappings
GRAILS-10092 - add some docs for namespaced controllers
fix typo
minor cleanup
GRAILS-10092 - replace controllerNamespace with namespace
GRAILS-10092 - change controllerNamespace to namespace
GRAILS-10092 - document namespace arg for chain, forward and redirect
docs on group method and file extension capturing
GRAILS-10138 - describe retrieving domain class command objects from db
GRAILS-10138 - update whatsNew23

Mention special treatment of the id request parameter when a domain class is used as a command object
add api.org.grails.doc to doc.properties
Merge branch 'master' of github.com:grails/grails-doc
GRAILS-10092 - add notes about redirect and namespaced controllers
fixed the annotation name: 'BindUsing' -> 'BindingFormat'
Merge pull request #138 from nobeans/fix/dataBinding.gdoc

fixed the annotation name: 'BindUsing' -> 'BindingFormat'