IVirtualLayout: improved warning about typicalItemWidth and typicalItemHeight
AeonDesktopTheme: better padding
TextFieldTextEditor: a separate TextField for measurement because TextField often requires extra frames to return correct values and we want to avoid the ambiguity
TextArea: better scrolling and focus management (closes #521)
MetalWorksMobileTheme: tweak to header background texture
Example: updated sdk.properties to point to new SDK location on Josh's computer
MinimalMobileTheme: generic font name. better input font size
ScrollContainer: alternate name for a toolbar
Item renderers: added itemHasAccessory. check for changes when itemHas* fields are set.
StageTextTextEditor: better enter key support on Android.
Added Todos example
updated sdk.properties for Josh's new computer