Fix links for xvars and magicvars.
Fix dead links.
Add formats.md
Fix the link of EncodedEntryURI data format.
Merge branch 'feature/newdocs' of github.com:icattlecoder/docs.qiniu.com into feature/newdocs
Fix dead links.
Fix dead links.
Fix dead links.
Fix dead links.
Merge branch 'feature/newdocs' of github.com:icattlecoder/docs.qiniu.com into feature/newdocs
Fix dead links.
Add explanation for constructing data string.
Merge branch 'feature/newdocs' of github.com:icattlecoder/docs.qiniu.com into feature/newdocs
Merge pull request #49 from BluntBlade/feature/newdocs

Feature/newdocs