Merge branch 'hotfix/windows'
Prepared 2.4 branch
Merge branch '2.4'
Added demos to main build
Merge branch '2.4'
More pom updates for 2.4
Merge branch '2.4'
Added updateVersions script
fixed build: missing version in grocery list demo
Updated release process doc
Merge branch '2.4'
Added data source configuration instructions
Removed obsolete reference to jboss7 profile
Support for navigation in lifecycle methods.

Fixes ERRAI-516
ListWidget.getValue now returns a list of proxies.

A call to listWidget.getValue().get(index) now returns a proxied
model (if the object is bindable), such that any bound widget will
be updated on change of state.
Fix for LessIntegration test.

Fixed race condition with GWT code generation, which caused test to
unpredictably fail.
Enhanced version updater so it updates the quickstart versions
Updated module versions to 2.4.0.Beta1 for release
Removed Kitchen Sink archetype from quickstart guide (external BOM makes it too difficult for users to adapt to their own needs)
Updated release process based on what just happened