Smaller and lighter colophon for booklet

modules/naboj/templates/colophon.jtt

@@ -1,4 +1,6 @@
 \color{(* colocolor or 'white' *)} \tiny \hfill
-built by (* build.user *) with dgs \texttt{(* build.dgs.branch *): (* build.dgs.hash *)}
-at (* build.timestamp.strftime('%Y-%m-%d %H:%M:%S') *) from branch \texttt{(* build.repo.branch *): (* build.repo.hash *)}
+(* competition.name *), volume (* competition.volume *): booklet
+built by (* build.user *) with dgs \texttt{(* build.dgs.branch *)}: \texttt{(* build.dgs.hash *)}
+at (* build.timestamp.strftime('%Y-%m-%d %H:%M:%S') *)
+from branch \texttt{(* build.repo.branch *)}: \texttt{(* build.repo.hash *)}
 

modules/naboj/templates/footer.jtt

@@ -16,7 +16,7 @@
     (* list(i18n[language.id].people.authors, volume.authors.problems) *)
     (* list(i18n[language.id].people.pictures, volume.authors.pictures) *)
     (* list(i18n[language.id].people.editors, volume.authors.editors) *)
-    (@ with colocolor='gray' @)
+    (@ with colocolor='lightgray' @)
         (@ include 'colophon.jtt' @)
     (@ endwith @)
 }