Update README and examples to use gopkg.in import.

examples/chat-echo/main.go

@@ -4,7 +4,7 @@ import (
 	"github.com/labstack/echo"
 	"github.com/labstack/echo/engine/standard"
 	"github.com/labstack/echo/middleware"
-	"github.com/olahol/melody"
+	"gopkg.in/olahol/melody.v1"
 	"net/http"
 )
 

examples/chat/main.go

@@ -2,7 +2,7 @@ package main
 
 import (
 	"github.com/gin-gonic/gin"
-	"github.com/olahol/melody"
+	"gopkg.in/olahol/melody.v1"
 	"net/http"
 )
 

examples/filewatch/main.go

@@ -3,7 +3,7 @@ package main
 import (
 	"github.com/gin-gonic/gin"
 	"github.com/go-fsnotify/fsnotify"
-	"github.com/olahol/melody"
+	"gopkg.in/olahol/melody.v1"
 	"io/ioutil"
 	"net/http"
 )

examples/gophers/main.go

@@ -7,7 +7,7 @@ import (
 	"sync"
 
 	"github.com/gin-gonic/gin"
-	"github.com/olahol/melody"
+	"gopkg.in/olahol/melody.v1"
 )
 
 // GopherInfo contains information about the gopher on screen

examples/multichat/main.go

@@ -2,7 +2,7 @@ package main
 
 import (
 	"github.com/gin-gonic/gin"
-	"github.com/olahol/melody"
+	"gopkg.in/olahol/melody.v1"
 	"net/http"
 )