Merge pull request #65 from murgatroid99/node_generated_code

src/node/common.js

src/node/examples/math.proto

src/node/examples/math_server.js

src/node/main.js

src/node/package.json

src/node/server.js

src/node/surface_client.js

src/node/surface_server.js

src/node/test/math_client_test.js

src/node/test/surface_test.js