imce 6.x-1.2

- #290066: fixed numeric directories not having subdirectories.
- #298323 by jasek: fixed initial file sorting.
- #333869: send correct header for upload operation.
- #328062 by jamuraa: fixed getimagesize taking unnecessary process time.
- #301651 by chellman: fixed disappering tabs in some themes including Zen.
- #301082: support for alternative url field IDs in URL for external applications.
- #341642: in directory settings it is now possible to return an array of directory names using PHP.
- #264382: administrators can now change the thumbnail creation method. (scale or scale_and_crop)
- introduced onload and sendto function calls using page URL. (onload|sendto)@funcName
- fix opera bug not allowing to set window variables on initial window opening.