Changed C++ version in Makefiles from 11 to 14 to avoid compilation error...

Changed C++ version in Makefiles from 11 to 14 to avoid compilation error after recent changes to map_vector_sparse.hpp.

example/Numerics/Sussman_redistancing/example_sussman_circle/Makefile

@@ -7,7 +7,7 @@ LDIR =
 OBJ = main.o
 
 %.o: %.cpp
-	$(CC) -O3 -c --std=c++11 -o $@ $< $(INCLUDE_PATH)
+	$(CC) -O3 -c --std=c++14 -o $@ $< $(INCLUDE_PATH)
 
 example_sussman_circle: $(OBJ)
 	$(CC) -o $@ $^ $(CFLAGS) $(LIBS_PATH) $(LIBS)

example/Numerics/Sussman_redistancing/example_sussman_images_2D/Makefile

@@ -7,7 +7,7 @@ LDIR =
 OBJ = main.o
 
 %.o: %.cpp
-	$(CC) -O3 -c --std=c++11 -o $@ $< $(INCLUDE_PATH)
+	$(CC) -O3 -c --std=c++14 -o $@ $< $(INCLUDE_PATH)
 
 example_sussman_images: $(OBJ)
 	$(CC) -o $@ $^ $(CFLAGS) $(LIBS_PATH) $(LIBS)

example/Numerics/Sussman_redistancing/example_sussman_images_3D/Makefile

@@ -7,7 +7,7 @@ LDIR =
 OBJ = main.o
 
 %.o: %.cpp
-	$(CC) -O3 -c --std=c++11 -o $@ $< $(INCLUDE_PATH)
+	$(CC) -O3 -c --std=c++14 -o $@ $< $(INCLUDE_PATH)
 
 example_sussman_images: $(OBJ)
 	$(CC) -o $@ $^ $(CFLAGS) $(LIBS_PATH) $(LIBS)

example/Numerics/Sussman_redistancing/example_sussman_sphere/Makefile

@@ -7,7 +7,7 @@ LDIR =
 OBJ = main.o
 
 %.o: %.cpp
-	$(CC) -O3 -c --std=c++11 -o $@ $< $(INCLUDE_PATH)
+	$(CC) -O3 -c --std=c++14 -o $@ $< $(INCLUDE_PATH)
 
 example_sussman_sphere: $(OBJ)
 	$(CC) -o $@ $^ $(CFLAGS) $(LIBS_PATH) $(LIBS)