In what is probably a coincidental update following the recent release of Office for iPad, Apple has launched new versions of the trio of apps formerly known as iWork (i.e., Pages, Numbers and Keynote) for both OS X and iOS. The biggest new feature across all versions is a new “view only” setting that allows users to share documents but keep them read-only. Pages for OS X and iOS gains better support for key features such as ePub export, Numbers for OS X and iOS has improved Excel compatibility, and Keynote for both platforms now supports PPTX export, among many other new and improved features…