Collapsing tree into more sane Go project layout

since I was in here looking at something unrelated...

gotime/gotour-artifacts/maps/main.go

@@ -0,0 +1,18 @@
+// From go-tour #28
+package main
+
+import "fmt"
+
+type Vertex struct {
+	Lat, Long float64
+}
+
+var m map[string]Vertex
+
+func main() {
+	m = make(map[string]Vertex)
+	m["Bell Labs"] = Vertex{
+		40.68433, 74.39967,
+	}
+	fmt.Println(m["Bell Labs"])
+}