Move packages to root dir from src/

This is supposed to work slightly better with go import paths. I think.

router/functionServiceMap_test.go

@@ -0,0 +1,47 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package router
+
+import (
+	"net/url"
+	"testing"
+)
+
+func TestFunctionServiceMap(t *testing.T) {
+	m := makeFunctionServiceMap()
+	fn := &function{name: "foo", uid: "012"}
+	u, err := url.Parse("/foo012")
+	if err != nil {
+		t.Errorf("can't parse url")
+	}
+
+	m.assign(fn, u)
+
+	v, err := m.lookup(fn)
+	if err != nil {
+		t.Errorf("Lookup error: %v", err)
+	}
+	if *v != *u {
+		t.Errorf("Expected %#v, got %#v", u, v)
+	}
+
+	fn.name = "bar"
+	_, err2 := m.lookup(fn)
+	if err2 == nil {
+		t.Errorf("No error on missing entry")
+	}
+}