* Most of the main entry points that can fail with relevant reasons now has a
way of specifying a message to return with it. This message can be displayed
to the user to give more information or context about an error.
* Screenshots and icons are updated to latest style
* Many out-dated references and mentions of support updated.
* Documentation added for new windows like resource inspector and
performance counter viewer, as well as new features like saving
bookmarks, resource names.
* Added documentation for Android support as well as OpenGL ES support.
baldurk