Adding dep files and dependencies.

vendor/github.com/mash/gokmeans/README.md

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+gokmeans
+======
+
+A Go (golang) package that implements the K-means clustering algorithm.
+
+Goroutines are used throughout to do some calulations concurrently.
+
+#### Get package
+
+`go get github.com/mdesenfants/gokmeans`
+
+#### Example
+
+```
+package main
+
+import (
+	"fmt"
+	"github.com/mdesenfants/gokmeans"
+)
+
+var observations []gokmeans.Node = []gokmeans.Node {
+	gokmeans.Node{20.0, 20.0, 20.0, 20.0},
+	gokmeans.Node{21.0, 21.0, 21.0, 21.0},
+	gokmeans.Node{100.5, 100.5, 100.5, 100.5},
+	gokmeans.Node{50.1, 50.1, 50.1, 50.1},
+	gokmeans.Node{64.2, 64.2, 64.2, 64.2},
+}
+
+func main() {
+	// Get a list of centroids and output the values
+	if success, centroids := gokmeans.Train(observations, 2, 50); success {
+		// Show the centroids
+		fmt.Println("The centroids are")
+		for _, centroid := range centroids {
+			fmt.Println(centroid)
+		}
+
+		// Output the clusters
+		fmt.Println("...")
+		for _, observation := range observations {
+			index := gokmeans.Nearest(observation, centroids)
+			fmt.Println(observation, "belongs in cluster", index+1, ".")
+		}
+	}
+}
+```