Adds ToolPageContext#getPreviewThumbnailUrl to standardize how to show preview thumbnails.
Changes inline content creation to use the content/edit.jsp instead of the specialized content/objectIdEdit.jsp.
Adds the ability to exclude field display in permissions.
Fixes publishing widget tabs to show up even in embedded mode.
Changes ToolPageContext#tryDraft and #trySave to pass _frame parameter through the redirect so that $.frame works properly.