STYLE: use FOAM_UTILITIES in Make/options

- consistent with use of FOAM_SOLVERS, and reduces reliance on the FOAM_APP
  env variable

applications/test/vectorTools/Make/options

-EXE_INC = -I$(FOAM_APP)/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/vectorTools
+EXE_INC = -I$(FOAM_UTILITIES)/mesh/generation/foamyMesh/conformalVoronoiMesh/vectorTools

applications/utilities/mesh/generation/foamyMesh/foamyQuadMesh/Make/options

@@ -8,7 +8,7 @@ EXE_INC = \
     ${EXE_NDEBUG} \
     ${CGAL_INC} \
     ${c++LESSWARN} \
-    -I$(FOAM_APP)/utilities/mesh/generation/extrude2DMesh/extrude2DMesh/lnInclude \
+    -I$(FOAM_UTILITIES)/mesh/generation/extrude2DMesh/extrude2DMesh/lnInclude \
     -I../conformalVoronoi2DMesh/lnInclude \
     -I../conformalVoronoiMesh/lnInclude \
     -I$(LIB_SRC)/parallel/decompose/decompositionMethods/lnInclude \

etc/config.csh/settings

@@ -178,8 +178,8 @@ setenv FOAM_ETC $WM_PROJECT_DIR/etc
 setenv FOAM_APP $WM_PROJECT_DIR/applications
 setenv FOAM_SRC $WM_PROJECT_DIR/src
 setenv FOAM_TUTORIALS $WM_PROJECT_DIR/tutorials
-setenv FOAM_UTILITIES $FOAM_APP/utilities
-setenv FOAM_SOLVERS $FOAM_APP/solvers
+setenv FOAM_UTILITIES $WM_PROJECT_DIR/applications/utilities
+setenv FOAM_SOLVERS $WM_PROJECT_DIR/applications/solvers
 setenv FOAM_RUN $WM_PROJECT_USER_DIR/run
 
 # Add wmake to the path - not required for runtime-only environment

etc/config.sh/settings

@@ -177,8 +177,8 @@ export FOAM_ETC=$WM_PROJECT_DIR/etc
 export FOAM_APP=$WM_PROJECT_DIR/applications
 export FOAM_SRC=$WM_PROJECT_DIR/src
 export FOAM_TUTORIALS=$WM_PROJECT_DIR/tutorials
-export FOAM_UTILITIES=$FOAM_APP/utilities
-export FOAM_SOLVERS=$FOAM_APP/solvers
+export FOAM_UTILITIES=$WM_PROJECT_DIR/applications/utilities
+export FOAM_SOLVERS=$WM_PROJECT_DIR/applications/solvers
 export FOAM_RUN=$WM_PROJECT_USER_DIR/run
 
 # Add wmake to the path - not required for runtime-only environment