update to 1.5.19
    
    - Improve setup layout (thanks to Trinh Anh Ngoc <atw1990@gmail.com>)
    - Add some more directories to search for dictionaries (for FreeBSD)
    - Wrong variable “page_size” was used in set_lookup_table_orientation()
    - Do not try to reopen the preëdit when any modifier except
      CapsLock is on (Resolves: rhbz#1414642)