v1.7.5: chore: release 1.7.5 for support non-utf-8 encoding for 'Content-Disp…

中文迭代日志

Version 1.7.5

2018-08-03

Fix

• Fix: fix raise "Not allowed to start service Intent..." issue when starting DownloadService on Android O and the application isn't on the foreground and also not on the whitelist, because we can't use JobScheduler to handle the download affair. closes #1078

Enhance

• Improve Practicability: support character set and the language encoding for Content-Disposition. closes #1057
• Improve Practicability: cover the error response code 416 from aliyun repo. closes #1050