Added registration of MOVINGRESTRAINT.work

src/bias/MovingRestraint.cpp

@@ -137,6 +137,7 @@ void MovingRestraint::registerKeywords( Keywords& keys ){
   keys.reset_style("KAPPA","compulsory");
   componentsAreNotOptional(keys);
   keys.addOutputComponent("bias","default","the instantaneous value of the bias potential");
+  keys.addOutputComponent("work","default","the total work performed changing this restraint");
   keys.addOutputComponent("force2","default","the instantaneous value of the squared force due to this bias potential");
   keys.addOutputComponent("_cntr","default","one or multiple instances of this quantity will be refereceable elsewhere in the input file. "
                                             "these quantities will named with  the arguments of the bias followed by "