STYLE: sh instead of bash for tutorial scripts

tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allclean

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 cd ${0%/*} || exit 1    # run from this directory
 

tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 cd ${0%/*} || exit 1    # run from this directory
 

tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun-parallel

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 cd ${0%/*} || exit 1    # run from this directory
 

tutorials/heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/Allrun.pre

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 cd ${0%/*} || exit 1    # run from this directory
 

tutorials/incompressible/boundaryFoam/boundaryWallFunctionsProfile/Allrun

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 cd ${0%/*} || exit 1    # run from this directory
 
 # Source tutorial run functions

tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/patchifyObstacles

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 #--------------------------------*- C++ -*------------------------------------#
 # =========                 |                                                 #
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           #

tutorials/mesh/foamyHexMesh/mixerVessel/constant/triSurface/surfaceProcess.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 cd ${0%/*} || exit 1    # run from this directory
 

tutorials/multiphase/interFoam/ras/weirOverflow/Allrun

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Source tutorial run functions
 . $WM_PROJECT_DIR/bin/tools/RunFunctions