Merge pull request #37 from andyque/master

issue #3451. move directory structure
Merge pull request #38 from andyque/master

issue #3451. move directory structure
Merge pull request #40 from andyque/master

issue #3451 corrected the path of the res
add some requirements for docs
fix a typo
Merge pull request #41 from minggo/requirement

add some requirements for docs
issue #3298.add new label document
issue #3298. Modify Label Chinese version
issue #3298. review the english version of new Label
Merge remote-tracking branch 'upstream/master'
fixed #3298. finish the new label