Further mass cleanup. One or more apply :

- Remove (hopefully) all zero epoch remains.
- Remove trailing spaces and tabs.
- Keep consistency between tabs and spaces.
- Clean up summary.

djvulibre.spec

@@ -1,6 +1,3 @@
-# $Id: djvulibre.spec,v 1.6 2005/02/14 11:31:45 dwmw2 Exp $
-# Authority: matthias
-
 Summary: DjVu viewers, encoders and utilities
 Name: djvulibre
 Version: 3.5.14