Cpu resources (#642)

* fn: cpu quota implementation

api/models/route_test.go

@@ -0,0 +1,42 @@
+package models
+
+import (
+	"testing"
+)
+
+func TestRouteSimple(t *testing.T) {
+
+	route1 := &Route{
+		AppName:     "test",
+		Path:        "/some",
+		Image:       "foo",
+		Memory:      128,
+		CPUs:        100,
+		Type:        "sync",
+		Format:      "http",
+		Timeout:     10,
+		IdleTimeout: 10,
+	}
+
+	err := route1.Validate()
+	if err != nil {
+		t.Fatal("should not have failed, got: ", err)
+	}
+
+	route2 := &Route{
+		AppName:     "test",
+		Path:        "/some",
+		Image:       "foo",
+		Memory:      128,
+		CPUs:        100,
+		Type:        "sync",
+		Format:      "nonsense",
+		Timeout:     10,
+		IdleTimeout: 10,
+	}
+
+	err = route2.Validate()
+	if err == nil {
+		t.Fatalf("should have failed route: %#v", route2)
+	}
+}