Merge pull request #2 from happyili/review

initial comments
Merge pull request #3 from happyili/review

add meihua & baidunew fetcher (two projects)
Create README.md
FEATURE - hf and normal baidu fetchers
Merge pull request #4 from happyili/review

Review the meihua fetcher change for one keyword
Merge pull request #5 from happyili/master

pull back the change on master