Rev3112, Allow user rules based on auth address

Rev2169

Merge pull request HelloZeroNet#984 from imachug/privatekey

Don't ask user for privatekey if file can be signed with auth_privatekey

Version 0.5.5, Rev2081, Lack of JS notification

Upadte changelog

Rev2003, Fix dbQuery exception in verbose mode

Rename feed_following to feed_follow_num

Fix BUG in HelloZeroNet#813 (HelloZeroNet#816)

Version 0.5.0

Update README-zh-cn.md (HelloZeroNet#618)

* Update README-zh-cn.md

* Update README-zh-cn.md

* Update README-zh-cn.md

* Update README-zh-cn.md

* Update README-zh-cn.md