added possible accumulated shear output request to example list of phenopowerlaw

code/config/material.config

@@ -143,13 +143,15 @@ atol_resistance         1
 elasticity              hooke
 plasticity              phenopowerlaw
 
-(output)                resistance_slip
 (output)                shearrate_slip
+(output)                accumulatedshear_slip
 (output)                resolvedstress_slip
+(output)                resistance_slip
 (output)                totalshear
-(output)                resistance_twin
 (output)                shearrate_twin
+(output)                accumulatedshear_twin
 (output)                resolvedstress_twin
+(output)                resistance_twin
 (output)                totalvolfrac
 
 lattice_structure       fcc