TextInput: text editor height is now properly set when vertical alignment is justified
TextFieldTextRenderer: snapshot is not taken if width or height is negative, and visibility is updated too
LayouGroup: respects includeInLayout when no layout is specified (closes #906)
TiledRowsLayout, TiledColumnsLayout: fixed calculation of tile count that incorrectly used padding (closes #884)
ImageLoader: checking for lost context before creating texture (closes #887), checks if app is mobile and in background before creating texture
DefaultFocusManager: fix for issue where old focus didn't dispatch a proper FOCUS_OUT event when removed from stage (references #908)
DefaultFocusManager: dispatches FOCUS_OUT event to old focus after the _focus variable is changed so that the focus getter can be called in the listener
PickerList: implements IFocusDisplayObject and handles passing focus to the button or list better (closes #908)
List, GroupedList: item renderers are updated (like updateItemAt()) when dataProvider is replaced or dataProvider dispatches CollectionEventType.RESET (closes #909)
NumericStepper: updates selection when incrementing and decrementing since the text may have a different length (closes #734)
NumericStepper: rounding value to step accounts forthe minimum value (closes #892)
NumericStepper: better handling of selection after keyboard events (may not work for all text editors)
TextFieldTextEditor: skips snapshot if width or height of snapshot is <= 0
MinimalDesktopTheme: added missing styles for NumericStepper TextInput
TextInput: clears focus on removal if there's no focus manager so that FOCUS_OUT event is dispatched
TextBlockTextRenderer, TextFieldTextRenderer: content isn't disposed on removal because components can be initialized/validated when they're not on stage. requires disposal now, like most starling display objects (references #905)
StageTextTextEditor, TextFieldTextEditor: content isn't disposed on removal because components can be initialized/validated when they're not on stage. requires disposal now, like most starling display objects (closes #905)
StageTextTextEditor, TextFieldTextEditor: no longer dispatches duplicate FOCUS_OUT event
TextArea: added clearFocus() function to manually clear focus, automatically clears focus on removal like TextInput
TextArea: fix issue where background was missing sometimes