Cleaned up Java source files:
    + removed unnecessary commented out code
    + corrected many spelling errors
    + formatting changes (remove decorations from comments,
      whitespacing, etc.)

Change-Id: I4133908ceac874b273fe409d763b3ddbfc2055e5
Reviewed-on: https://gerrit.libreoffice.org/3413Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Reviewed-by: Thomas Arnhold <thomas@arnhold.org>
Tested-by: Thomas Arnhold <thomas@arnhold.org>