Merge branch 'v2.3' into v2.4

src/vatom/COM.cpp

@@ -98,7 +98,7 @@ COM::COM(const ActionOptions&ao):
     log.printf(" %d",atoms[i].serial());
   }
   log.printf("\n");
-  if(!nopbc) {
+  if(nopbc) {
     log<<"  PBC will be ignored\n";
   } else {
     log<<"  broken molecules will be rebuilt assuming atoms are in the proper order\n";

src/vatom/Center.cpp

@@ -131,7 +131,7 @@ Center::Center(const ActionOptions&ao):
       log.printf("\n");
     }
   }
-  if(!nopbc) {
+  if(nopbc) {
     log<<"  PBC will be ignored\n";
   } else {
     log<<"  broken molecules will be rebuilt assuming atoms are in the proper order\n";