Transpose based on EXIF orientation

Transpose the original image before resizing based on EXIF orientation
information to display image in the correct orientation. If someone
uploads an image from an iPhone (for example) the image is currently
often rendered in the wrong orientation.
Transpose based on EXIF orientation (Fix)

Transpose the original image before resizing based on EXIF orientation
information to display image in the correct orientation. If someone
uploads an image from an iPhone (for example) the image is currently
often rendered in the wrong orientation.
Random filename for uploaded images
Merge pull request #14 from holzenburg/master

Rotate according to EXIF data + random IDs