1.4.2
fix #463 Focus on element inside Dialog widget not working on IE7

After dialog popup open, the $focus called from the callback it's not applied to the element.
fix #462 aria.widgets can be undefined

When no class in aria.widgets package is loaded, aria.widgets is undefined.
Before checking if aria.widgets.AriaSkin is defined, the existence of aria.widgets has to be checked first.
fix #461 PasswordField widget broken

Fixing a problem that is breaking the PasswordField widget inside sample page on ariatemplates.com. Adding also a widget test case.
feat #465 moving some grunt configuration values

This commit moves some build configuration values from
config-atpackager-bootstrap.js to config-packaging.js
to have more control on the build when overriding config-packaging.js.

Close #465
feat #429 pattern as inputPattern on datepicker

Allow pattern to behave as input pattern when inputPattern is not defined
This allows to type a date in the same output format without having to
specify it

Close #429 Close #433
fix #467 aria.utils.Json.getValue() returns undefined for value 0

fix it changing the if condition and added a unit test.
feat #460 scroll event handler

Enables the developer to use on scroll event handler in TPL files

Close #460