chinese translations

Signed-off-by: Tony Liu <fentensoft@163.com>
Merge pull request #276 from fentensoft/dev

chinese translations
fix issue #263

Signed-off-by: xiehuc <xiehuc@gmail.com>
move atoi to s_atoi
Signed-off-by: xiehuc <xiehuc@gmail.com>

Signed-off-by: xiehuc <xiehuc@gmail.com>
may fix captcha bug

Signed-off-by: xiehuc <xiehuc@gmail.com>
clean code

Signed-off-by: xiehuc <xiehuc@gmail.com>
fix #275

Signed-off-by: xiehuc <xiehuc@gmail.com>
fix passerby bug again

Signed-off-by: xiehuc <xiehuc@gmail.com>
Merge branch 'upstream-preview' into preview