making authors and addresses stylistically uniform

contributions/sd_iam/main.tex

@@ -11,11 +11,11 @@
 \title{Evolving the INDIGO IAM service} 
 
 \author{
-  A~Ceccanti and
-  E~Vianello
+  A.~Ceccanti$^1$,
+  E.~Vianello$^1$
 }
 
-\address{INFN-CNAF, Bologna, IT}
+\address{$^1$ INFN-CNAF, Bologna, IT}
 
 \ead{
   andrea.ceccanti@cnaf.infn.it,

contributions/sd_nginx_voms/main.tex

@@ -8,7 +8,8 @@
 \begin{document}
 
 \title{A VOMS module for the Nginx web server}
-\author{A Ceccanti, F Giacomini, E Ronchieri and N Terranova}
+\author{A. Ceccanti$^1$, F. Giacomini$^1$, E. Ronchieri$^1$, N. Terranova$^1$}
+\address{$^1$ INFN-CNAF, Bologna, IT}
 \ead{francesco.giacomini@cnaf.infn.it}
 
 \begin{abstract} We present the motivation, the design and some

contributions/sd_storm/main.tex

@@ -11,12 +11,12 @@
 \title{StoRM maintenance and evolution} 
 
 \author{
-  A. Ceccanti,
-  E. Vianello,
-  F. Giacomini
+  A. Ceccanti$^1$,
+  E. Vianello$^1$,
+  F. Giacomini$^1$
 }
 
-\address{INFN-CNAF, Bologna, IT}
+\address{$^1$ INFN-CNAF, Bologna, IT}
 
 \ead{
   andrea.ceccanti@cnaf.infn.it

contributions/sd_storm2/main.tex

@@ -11,13 +11,13 @@
 \title{StoRM 2: initial design and development activities} 
 
 \author{
-  A~Ceccanti,
-  F~Giacomini,
-  E~Vianello and
-  E~Ronchieri
+  A.~Ceccanti$^1$,
+  F.~Giacomini$^1$,
+  E.~Vianello$^1$,
+  E.~Ronchieri$^1$
 }
 
-\address{INFN-CNAF, Bologna, IT}
+\address{$^1$ INFN-CNAF, Bologna, IT}
 
 \ead{
   andrea.ceccanti@cnaf.infn.it