First commit for average scheme

New module defined that will take care of averaging the output in the
nodes.

src/modules/moduleSolver.f90

@@ -1,4 +1,5 @@
 MODULE moduleSolver
+  USE moduleAverage
 
   !Generic type for pusher of particles
   TYPE, PUBLIC:: pusherGeneric
@@ -15,6 +16,7 @@ MODULE moduleSolver
   !Generic type for solver
   TYPE, PUBLIC:: solverGeneric
     TYPE(pusherGeneric), ALLOCATABLE:: pusher(:)
+    TYPE(averageGeneric), ALLOCATABLE:: averageScheme
     PROCEDURE(solveEM_interface), POINTER, NOPASS:: solveEM => NULL()
     PROCEDURE(weightingScheme_interface), POINTER, NOPASS:: weightingScheme => NULL()
     CONTAINS
@@ -818,5 +820,19 @@ MODULE moduleSolver
 
     END SUBROUTINE doOutput
 
+    SUBROUTINE doAverage(t)
+      USE moduleAverage
+      IMPLICIT NONE
+
+      INTEGER, INTENT(in):: t
+
+      IF (useAverage) THEN
+        CALL averageScheme%updateAverage(t)
+
+      END IF
+
+    END SUBROUTINE doAverage
+
+
 END MODULE moduleSolver