Upgrade gin-gonic to latest master, fix compatibility issues

vendor/github.com/gin-gonic/gin/deprecated.go

@@ -6,42 +6,20 @@ package gin
 
 import (
 	"github.com/gin-gonic/gin/binding"
-	"net/http"
+	"log"
 )
 
-// DEPRECATED, use Bind() instead.
-// Like ParseBody() but this method also writes a 400 error if the json is not valid.
-func (c *Context) EnsureBody(item interface{}) bool {
-	return c.Bind(item)
+func (c *Context) GetCookie(name string) (string, error) {
+	log.Println("GetCookie() method is deprecated. Use Cookie() instead.")
+	return c.Cookie(name)
 }
 
-// DEPRECATED use bindings directly
-// Parses the body content as a JSON input. It decodes the json payload into the struct specified as a pointer.
-func (c *Context) ParseBody(item interface{}) error {
-	return binding.JSON.Bind(c.Request, item)
-}
-
-// DEPRECATED use gin.Static() instead
-// ServeFiles serves files from the given file system root.
-// The path must end with "/*filepath", files are then served from the local
-// path /defined/root/dir/*filepath.
-// For example if root is "/etc" and *filepath is "passwd", the local file
-// "/etc/passwd" would be served.
-// Internally a http.FileServer is used, therefore http.NotFound is used instead
-// of the Router's NotFound handler.
-// To use the operating system's file system implementation,
-// use http.Dir:
-//     router.ServeFiles("/src/*filepath", http.Dir("/var/www"))
-func (engine *Engine) ServeFiles(path string, root http.FileSystem) {
-	engine.router.ServeFiles(path, root)
-}
-
-// DEPRECATED use gin.LoadHTMLGlob() or gin.LoadHTMLFiles() instead
-func (engine *Engine) LoadHTMLTemplates(pattern string) {
-	engine.LoadHTMLGlob(pattern)
-}
-
-// DEPRECATED. Use NoRoute() instead
-func (engine *Engine) NotFound404(handlers ...HandlerFunc) {
-	engine.NoRoute(handlers...)
+// BindWith binds the passed struct pointer using the specified binding engine.
+// See the binding package.
+func (c *Context) BindWith(obj interface{}, b binding.Binding) error {
+	log.Println(`BindWith(\"interface{}, binding.Binding\") error is going to
+	be deprecated, please check issue #662 and either use MustBindWith() if you
+	want HTTP 400 to be automatically returned if any error occur, of use
+	ShouldBindWith() if you need to manage the error.`)
+	return c.MustBindWith(obj, b)
 }