add new image transformer to always keep ratio when resizing the image. Only resizes either width or height
(cherry picked from commit 7bbc902)
add new image transformer to always keep ratio when resizing the image. Only resizes either width or height
(cherry picked from commit 53408dd)
allowUpscaling is available as transform param, changed transformer name
change type to boundedResize
Merge pull request #294 from m-kay/feature/maxWidthOrHeightTransformer

Feature/maximum width or height transformer