Use dep to vendor things

Gopkg.lock

@@ -0,0 +1,73 @@
+# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
+
+
+[[projects]]
+  branch = "master"
+  name = "github.com/faiface/glhf"
+  packages = ["."]
+  revision = "98c0391c0fd3f0b365cfe5d467ac162b79dfb002"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/faiface/mainthread"
+  packages = ["."]
+  revision = "8b78f0a41ae388189090ac4506612659fa53082b"
+
+[[projects]]
+  name = "github.com/faiface/pixel"
+  packages = [
+    ".",
+    "imdraw",
+    "pixelgl"
+  ]
+  revision = "2d9a739e406f1f7093747c599d844e50c6e92d0e"
+  version = "v0.7"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/go-gl/gl"
+  packages = ["v3.3-core/gl"]
+  revision = "eafa86a81d9705ff0b4ab163d26fe74da80e0559"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/go-gl/glfw"
+  packages = ["v3.2/glfw"]
+  revision = "513e4f2bf85c31fba0fc4907abd7895242ccbe50"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/go-gl/mathgl"
+  packages = ["mgl32"]
+  revision = "d28d8d903c65929938eaac4953b3eb50a425b5ee"
+
+[[projects]]
+  name = "github.com/pkg/errors"
+  packages = ["."]
+  revision = "645ef00459ed84a119197bfb8d8205042c6df63d"
+  version = "v0.8.0"
+
+[[projects]]
+  branch = "master"
+  name = "golang.org/x/image"
+  packages = [
+    "colornames",
+    "math/f32"
+  ]
+  revision = "f3a9b89b59def9194717c1d0bd4c0d08fa1afa7b"
+
+[[projects]]
+  branch = "master"
+  name = "golang.org/x/net"
+  packages = [
+    "html",
+    "html/atom"
+  ]
+  revision = "24dd3780ca4f75fed9f321890729414a4b5d3f13"
+
+[solve-meta]
+  analyzer-name = "dep"
+  analyzer-version = 1
+  inputs-digest = "20e4628692bb0166d60606bd2f9e88c17bbd484bfe0e1fc0e3478c05a5d5f736"
+  solver-name = "gps-cdcl"
+  solver-version = 1