fix some expressions.
Merge branch 'cn_Data_and_security' of github.com:miaoever/meteor into miaoever-cn_Data_and_security

Conflicts:
	docs/client/concepts.html
typo

Signed-off-by: Jat <dpjat1@gmail.com>
Merge pull request #11 from enumerable/miaoever-cn_Data_and_security

Miaoever cn data and security