添加list接口。
Merge pull request #95 from BluntBlade/master

添加 authorize_download_url_2 方法，对包含中文或其它 utf-8 字符的Key做下载授权。
去除generate_upload_token 中旧的async_options, 添加 persistent_ops, persistent_notify_url, persistent_pipeline
Merge pull request #98 from BluntBlade/master

为过时方法添加说明。
Merge pull request #97 from dp90219/master

去除generate_upload_token 中旧的async_options, 添加 persistent_ops
a mistake. change `persistent_ops` to `persistentOps` and so on
upload.qiniu.com
a mistake. change `params[:persistent_ops]` to `params[:persistentOps]` and so on
Merge branch 'master' of https://github.com/dp90219/ruby-sdk
Merge pull request #99 from coaku/b_xzk_upload_qiniu_com

#9891
Merge pull request #100 from dp90219/master

a mistake. change `persistent_ops` to `persistentOps` and so on
Update CHANGELOG.md
update test
Merge pull request #103 from longbai/update_dependency

update test
update log [ci skip]
update version [ci skip]
Merge branch 'master' of github.com:qiniu/ruby-sdk into list

Conflicts:
	lib/qiniu/config.rb
添加rsf_host。
为 upload 的最新版本接口添加 content-type/mimeType 设置方法。