STYLE: more consistent shell style in tutorial run/clean scripts

tutorials/Alltest

@@ -32,7 +32,8 @@
 #------------------------------------------------------------------------------
 cd ${0%/*} || exit 1    # run from this directory
 
-usage() {
+usage()
+{
     while [ "$#" -ge 1 ]; do echo "$1"; shift; done
     cat<<USAGE
 
@@ -49,7 +50,8 @@ USAGE
 }
 
 
-setDefaultFvSchemes() {
+setDefaultFvSchemes()
+{
 cat<<EOF
 gradSchemes { default Gauss linear; }
 divSchemes
@@ -126,8 +128,12 @@ eval set -- "$OPTS"
 while [ $1 != -- ]
 do
     case $1 in
-        -d) DEFAULT_SCHEMES=1;;
-        -h) usage;;
+    -d)
+        DEFAULT_SCHEMES=1
+        ;;
+    -h)
+        usage
+        ;;
     esac
     shift
 done