Use vendored in gopkg.in/check.v1

diff --git a/.travis.yml b/.travis.yml
index 407127c..db28993 100644
--- a/.travis.yml
+++ b/.travis.yml

@@ -1,5 +1,4 @@
 language: go
 go:
     - release
-install: go get gopkg.in/check.v1
 

diff --git a/README.md b/README.md
index eb02941..a7ce2b2 100644
--- a/README.md
+++ b/README.md

@@ -44,15 +44,13 @@
 $ go get -u github.com/magiconair/properties
 ```
 
-For testing and debugging you need the [go-check](https://github.com/go-check/check) library
-
-```
-$ go get -u gopkg.in/check.v1
-```
-
 History
 -------
 
+v1.5.6, 18 Oct 2015
+-------------------
+ * Vendored in gopkg.in/check.v1
+
 v1.5.5, 31 Jul 2015
 -------------------
  * [Pull Request #6](https://github.com/magiconair/properties/pull/6): Add [Delete](http://godoc.org/github.com/magiconair/properties#Properties.Delete) method to remove keys including comments. (@gerbenjacobs)

diff --git a/load_test.go b/load_test.go
index 9d1e3b6..e6dae8d 100644
--- a/load_test.go
+++ b/load_test.go

@@ -10,7 +10,7 @@
 	"os"
 	"strings"
 
-	. "gopkg.in/check.v1"
+	. "github.com/magiconair/properties/_third_party/gopkg.in/check.v1"
 )
 
 type LoadSuite struct {

diff --git a/properties_test.go b/properties_test.go
index 8d4c7c0..6da6e33 100644
--- a/properties_test.go
+++ b/properties_test.go

@@ -14,7 +14,7 @@
 	"testing"
 	"time"
 
-	. "gopkg.in/check.v1"
+	. "github.com/magiconair/properties/_third_party/gopkg.in/check.v1"
 )
 
 func Test(t *testing.T) { TestingT(t) }