Policy: MOVEONLY: 3 functions to policy.o:

- [script/standard.o] IsStandard
- [main.o] IsStandardTx
- [main.o] AreInputsStandard

Also, don't use namespace std in policy.cpp

src/Makefile.am

@@ -177,6 +177,7 @@ libbitcoin_server_a_SOURCES = \
   net.cpp \
   noui.cpp \
   policy/fees.cpp \
+  policy/policy.cpp \
   pow.cpp \
   rest.cpp \
   rpcblockchain.cpp \