issue #2323, rename file name to meet conventions
Merge remote-tracking branch 'upstream/master'
issue #32323, fixed link error
issue #2323, fix a typo
issue #2323, correct some Upper letters
Merge pull request #189 from andyque/master

fix lots typo
Merge pull request #190 from u0u0/master

setting up development environments for v3.0
update chinese catalog