fix #369 - AT Debug Tools not working on IE7/8 after AT v1.2-4
pull request #370
doc Getting started with AT

closes #375
fix #373 setJsonPostData uses deprecated properties

Instead of using the deprecated `jsonData` now use the standard `data` property to encode data information from a request filter
Closes #374
fix #376 Issues in html TextInput widget

- Autoselection occurring even when the field already had focus
- Placeholder text in browsers that do not support the native implementation was selectable
fix #349 issues and missing tests for maximizable Dialog

Fixed issues with: Dialog maximized from start, resizing
Dialog while maximized, resizing viewport while Dialog
maximized.

Perf and readability improvements (`changeProperty` vs
`setProperty`). Test for destroying/creating Draggable/Resizable.