Merge pull request #13 from rwifeng/b_rwf_doc

delete document about putauth and add document about uptoken
fix doc
Merge pull request #14 from why404/master

doc updated
Merge pull request #16 from rwifeng/b_rwf_doc

fix 
update doc about escape and rotate desc
fix doc link
update doc
mv NEWS.md out
Merge pull request #17 from why404/master

fix doc for a better view