Upgrade Go to 1.7.4
1.7.4 is a security release.
https://golang.org/doc/devel/release.html#go1.7
go1.7.4 (released 2016/12/01) includes two security fixes. See the Go 1.7.4 milestone on our issue tracker for details.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information