Small changes regarding revised editions.

ifiseries.sty

@@ -1217,7 +1217,7 @@ anderen als die angegebenen Quellen und Hilfsmittel verwendet habe.\par
 \mbox{}\vfill%
 \begin{itemize}[label=]%
   \item Kiel Computer Science Series (KCSS) #1%
-  \ifthenelse{\expandafter\isempty\expandafter{#2}}{}{\\(replaces #2)}%
+  \ifthenelse{\expandafter\isempty\expandafter{#2}}{}{\\(revised edition of #2)}%
   \item
   URN:NBN #3\\
   ISSN 2193-6781 (print version)\\

template.metapage.bib

@@ -5,6 +5,7 @@
   year      = {<++YEAR++>},
   number    = {<++YEAR++>/<++NUMBER++>},
   isbn      = {<++ISBN IF ANY++>},
+  doi       = {<++DOI++>},
   series    = {Kiel Computer Science Series},
   note      = {Dissertation, Faculty of Engineering,
                Kiel University.}