Changed maintainer name, added contributor names

inggrid.cls

@@ -25,7 +25,10 @@
 %
 % This work has the LPPL maintenance status `maintained'.
 %
-% The Current Maintainer of this work is Dominik Gerstorfer.
+% The Current Maintainer of this work is Michaela Leštáková.
+% 
+% This template is based on the work of Dominik Gerstorfer.
+% Contributors include Michaela Leštáková, Yali Wu and Lisabeth George.
 %
 
 \NeedsTeXFormat{LaTeX2e}