Merge pull request #1019 from valassi/auth2

In AUTHORS, add  Filip Optolowicz to the Collaborators section

Author: oliviermattelaer

epochX/cudacpp/CODEGEN/PLUGIN/CUDACPP_SA_OUTPUT/madgraph/iolibs/template_files/AUTHORS

@@ -26,6 +26,7 @@ acknowledged collaboration with the following collaborators:
   Laurence Field (CERN)
   Walter Hopkins (Argonne National Laboratory)
   Nathan S. Nichols (Argonne National Laboratory)
+  Filip Optolowicz (CERN)
   Andreas Reepschlaeger (CERN)
   Taran Singhania (PES University Bangalore)
   David Smith (CERN)