Add Gilles Gouaillardet / RIST to the AUTHORS file

This commit was SVN r31714.

AUTHORS

@@ -38,6 +38,7 @@ edgar       Edgar Gabriel               HLRS, UH, UTK
 emallove    Ethan Mallove               Sun, Oracle
 eugene      Eugene Loh                  Sun, Oracle
 gef         Graham Fagg                 UTK
+ggouaillardet Gilles Gouaillardet       RIST
 gingery     Ginger Young                LANL
 gleb        Gleb Natapov                Voltaire
 gshipman    Galen Shipman               LANL
@@ -143,3 +144,4 @@ UTK = University of Tennessee, Knoxville
 UWL = University of Wisconsin-La Crosse
 Mellanox = Mellanox
 ZIH = Technische Universitaet Dresden
+RIST = Research Organization for Information Science and Technology