Upgrade server dependencies, manage them with govendor

vendor/github.com/matryer/resync/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Mat Ryer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/github.com/matryer/resync/README.md

@@ -4,11 +4,13 @@
 
   * See [sync.Once](http://golang.org/pkg/sync/#Once)
 
+Rather than adding this project as a dependency, consider [dropping](https://github.com/matryer/drop) this file into your project.
+
 ## Example
 
 The following example examines how `resync.Once` could be used in a HTTP server situation.
 
-```
+```go
 // use it just like sync.Once
 var once resync.Once
 

vendor/github.com/matryer/resync/once_test.go

@@ -1,35 +0,0 @@
-package resync_test
-
-import (
-	"testing"
-
-	"github.com/cheekybits/is"
-	"github.com/matryer/resync"
-)
-
-func TestOnceReset(t *testing.T) {
-	is := is.New(t)
-	var calls int
-	var c resync.Once
-	c.Do(func() {
-		calls++
-	})
-	c.Do(func() {
-		calls++
-	})
-	c.Do(func() {
-		calls++
-	})
-	is.Equal(calls, 1)
-	c.Reset()
-	c.Do(func() {
-		calls++
-	})
-	c.Do(func() {
-		calls++
-	})
-	c.Do(func() {
-		calls++
-	})
-	is.Equal(calls, 2)
-}