how to start a new game
how to run cpp-tests on Mac OS X
Merge pull request #180 from minggo/doc-v3.0

doc for v3.0
how to run cpp-tests on iOS
Merge pull request #181 from minggo/doc-v3.0

how to run cpp-tests on iOS
how to run cpp-tests on Linux
Merge pull request #182 from minggo/doc-v3.0

how to run cpp-tests on Linux
update how to run cpp-tests on Linux
Merge pull request #183 from minggo/doc-v3.0

update how to run cpp-tests on Linux
fix command error
Merge pull request #184 from minggo/doc-v3.0

fix command error