Typo fix
[Bug #7285] "loaded" event now will be also fired for managed images and previously loaded unmanaged images.

If the source will be changed before the current image is loaded, his "loaded" event will be supressed
[Bug #7285] "aborted" event implemented.
[Bug #7285] dangling comma removed
[Bug #8064] Suppress lint warning
[BUG #8095] qx.application.Routing should provide a back() function
* Added back() function, which navigates back to the last path, with "action:back"
Added tests for app routing and back() method
[BUG #8095] qx.application.Routing should provide a back() function
* Removing back states from routing history
Refactored qx.Mobile Showcase for using the new back() method of qx.application.Routing
[BUG #8089] falling back to ECMAScript 3 FutureReservedWords for now
Improved text field input bug fix for Android 2.x
* By adding the translate3d fix also to input field type "text", the input field finally (!) behaves as expected.
* Removed focus listener for Android 2.x, as this is not necessary anymore.
[BUG #7810] env calls may be load or run deps
[BUG #7810] two spaces instead of four
[BUG #7810] include base path
[BUG #7810] augment and rectify recursive dep analysis
[BUG #7998] Allow overriding of showTooltip of the validation manager.
Update Form.js

Added an overrideable method _createValidationManager which allows to use a derived validation manager class without an unnecessary instantiation in the constructur.
Improved iPad viewport height bug.
[BUG #8102] Device types should be classified by their screen dpi
* Added method detectTypeByDPI() for enabing new classification by dpi
[BUG #8102] Device types should be classified by their screen dpi
* Removed this to static reference