input can be emptied

make use of clearEmpty of mask, also fixed default format from <h> to h
Timepicker can be disabled

new option: disabled
Timepicker: latest changes refactor for CGuideline

and fixed the <> thingy, which occured only with options.ampm = false without Globalize
Timepicker: fixing failed UnitTests
Timepicker: added Steps to take with PageUp Key
updated to check latest features
TimePicker: fixed default when setting value=""
Tests clearEmpty and disabled Options
added samples for cleanEmpty and disabled
Spinner: Only format the value when there is one. Fixes #9573 - Spinner: forces a field validation in Firefox before field loses focus or form is submitted
Dialog: Safe activeElement access.

Fixed #9420 - Dialog: Close causes blur of window in IE9
Fixed #8443 - Dialog: "unspecified error" when using ie9 and iframe
Cleanup.
Interactions: Make them work on Windows 8 touch devices.

Fixes #9709
Slider: Make it work on Windows 8 touch devices

Fixes #9710
Draggable/Sortable: Apply class name to appropriate handle element
Draggable/Sortable: Changes per @scottgonzalez review.
Sortable: Apply handle class names to new items in refresh()
Sortable: Final few changes per review.
(fix) Minor change based on review
Button: Ignore non-radio elements with the same name

Fixes #8761