[submodule "external/json-cpp"]
	path = external/json-cpp
	url = https://github.com/ascheglov/json-cpp.git
[submodule "external/gperftools"]
	path = external/gperftools
	url = https://code.google.com/p/gperftools-git/
[submodule "external/msgpack-c"]
	path = external/msgpack-c
	url = https://github.com/msgpack/msgpack-c.git