write a lot of the persistent data classes

Makefile

@@ -1,8 +1,11 @@
 SOURCE=\
-	main.cc
+	block.cc \
+	main.cc \
+	metadata.cc \
+	transaction_manager.cc
 
 OBJECTS=$(subst .cc,.o,$(SOURCE))
-CPPFLAGS=-Wall -Weffc++ -std=c++0x
+CPPFLAGS=-Wall -std=c++0x
 INCLUDES=
 LIBS=-lstdc++
 
@@ -13,4 +16,9 @@ LIBS=-lstdc++
 	g++ -c $(CPPFLAGS) $(INCLUDES) -o $@ $<
 
 multisnap_display: $(OBJECTS)
-	g++ -o $@ $+ $(LIBS)
+	g++ -o $@ $+ $(LIBS)
+
+main.o: block.h
+block.o: block.h
+transaction_manager.o: transaction_manager.h block.h
+metadata.o: block.h transaction_manager.h btree.h metadata.h