Merge remote-tracking branch 'satoshi/qtui'

Conflicts (resolved by copying files from remote branch):
	.gitignore
	src/cryptopp/cpu.cpp
	src/cryptopp/cpu.h
	src/cryptopp/cryptlib.h
	src/cryptopp/iterhash.h
	src/cryptopp/misc.h
	src/cryptopp/secblock.h
	src/cryptopp/sha.cpp
	src/cryptopp/sha.h
	src/cryptopp/smartptr.h
	src/json/json_spirit_reader.cpp
	src/json/json_spirit_value.cpp
	src/json/json_spirit_writer.cpp