添加视频采样接口相关文档。
为 upload 接口添加 crc32 和 accept 参数。
Merge branch 'master' of github.com:qiniu/developer.qiniu.com
合并修正了 URL 的 PR。
Merge branch 'master' of github.com:qiniu/developer.qiniu.com
追加链接信息。
添加在线示例。
Merge branch 'master' of github.com:qiniu/developer.qiniu.com
同步更新文档。
Merge branch 'master' of github.com:BluntBlade/developer.qiniu.com
Merge branch 'master' of github.com:qiniu/developer.qiniu.com
Merge branch 'master' of github.com:qiniu/developer.qiniu.com
Merge pull request #202 from forrest-mao/doc/developer

Doc/developer
Merge branch 'master' of github.com:qiniu/developer.qiniu.com
添加 detectMime 使用的默认值。
Merge pull request #203 from forrest-mao/doc/developer

状态码变更579 => 478
Merge branch 'master' of github.com:qiniu/developer.qiniu.com
Merge pull request #204 from forrest-mao/doc/developer

修改478，添加579
Merge branch 'master' of github.com:qiniu/developer.qiniu.com
Update form-upload.md