json_spirit: #include <stdint.h>
switch from boost int types to <stdint.h>

Conflicts:
	src/rpcblockchain.cpp
	src/rpcclient.cpp
	src/rpcmining.cpp
	src/rpcmisc.cpp
	src/rpcnet.cpp
	src/rpcrawtransaction.cpp
	src/rpcwallet.cpp