Log Message:
Update to 2.1.2:

    + Add more flexible auto-renaming option to rename dialog.
    - Update translations de, fi, fr, it, pl, pt_BR, ru, sk, vi, zh_TW.
    - Add translations be, ca, ko
    * Allow data cache reader to tolerate older/future features.
    * Fix renaming a folder to an existing folder from clobbering
      the existing folder.
    * Exif timezone fix.
    * Fix compile time warnings on newer gcc and gtk+.