added option for ignore checkpoint time

examples/all-options.xml

@@ -184,7 +184,7 @@
           </basis>
           <origin> <x>0.0</x> <y>0.0</y> <z>0.0</z> </origin>
         </generator>
-
+      <ignoreCheckpointTime>true</ignoreCheckpointTime> <!-- If true, the simulation ignores the timestep in the loaded checkpoint and starts the simulation from timestep 0. Default: false-->
       </phasespacepoint>
     </ensemble>