Adds Glide 0.1.0 (new formula)

Adds the Glide Go workspace manager.  A previous pull request
(https://github.com/Homebrew/homebrew/pull/32812) attempted to add this
(by @intabulas).  However, that formula used a prebuilt Glide formula.
I have reworked this formula to build Glide from Go sources instead.
This formula was based on the NSQ formula, which also builds binaries
based on Go sources (see the nsq.rb formula).