added a directory to copy when creating examples

stub/Makefile

@@ -0,0 +1,26 @@
+CXX=clang++
+CPPFLAGS=-Wall -g -std=c++0x
+SOURCES=main.cc
+OBJECTS=$(SOURCES:.cc=.o)
+EXE=app
+
+all: $(EXE)
+
+main.o: main.cc
+
+$(EXE): $(OBJECTS)
+	$(CXX) $(LDFLAGS) $(OBJECTS) -o $@
+
+run: $(EXE)
+	./$(EXE)
+
+clean:
+	@rm -vf *.o
+	@rm -rvf *.dSYM
+	@rm -vf $(EXE)
+
+debug: $(EXE)
+	gdb $(EXE)
+
+valgrind: $(EXE)
+	valgrind --tool=memcheck --leak-check=yes ./$(EXE)

stub/main.cc

@@ -0,0 +1,13 @@
+#include <iostream>
+using namespace std;
+
+const string usage = "usage: regex";
+
+int main(int argc, char * argv []) {
+    if(argc != 1) {
+        cerr << usage << endl;
+        return 1;
+    }
+    cout << "hello cruel world" << endl;
+    return 0;
+}