Not possible to install v2ray-plugin any more due to go version conflicts

[nabilfreeman]

Expected behavior:

Ansible successfully downloads and compiles v2ray-plugin

Actual Behavior:

Script fails on compilation with one of the two errors below based on Go version:
shadowsocks/v2ray-plugin#231

Steps to Reproduce:

1. Use Ubuntu 16.04
2. Run Streisand
3. Choose localhost mode (option 7)
4. Answer yes to Shadowsocks and yes to v2ray

[nabilfreeman]

I was able to work around this by manually adding the prebuilt v2ray-plugin from the releases tab in the repository linked above.

Then I manually disabled the go get step here:
https://github.com/StreisandEffect/streisand/blob/master/playbooks/roles/shadowsocks/tasks/v2ray.yml

[cbruegg]

To clarify a bit: Download this release and extract the binary to the file /home/root/go/bin/v2ray-plugin.

[commensal]

Guys, can you drop the code how to do it for baby noobs, pls?