build: fix up package paths after repo move

git grep -l github.com/ncw/rclone | xargs -d'\n' perl -i~ -lpe 's|github.com/ncw/rclone|github.com/rclone/rclone|g'
goimports -w `find . -name \*.go`

vendor/github.com/Azure/go-ansiterm/winterm/ansi.go

@@ -9,7 +9,7 @@ import (
 	"strings"
 	"syscall"
 
-	"github.com/Azure/go-ansiterm"
+	ansiterm "github.com/Azure/go-ansiterm"
 )
 
 // Windows keyboard constants

vendor/github.com/Azure/go-ansiterm/winterm/attr_translation.go

@@ -2,7 +2,7 @@
 
 package winterm
 
-import "github.com/Azure/go-ansiterm"
+import ansiterm "github.com/Azure/go-ansiterm"
 
 const (
 	FOREGROUND_COLOR_MASK = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE

vendor/github.com/Azure/go-ansiterm/winterm/erase_helpers.go

@@ -2,7 +2,7 @@
 
 package winterm
 
-import "github.com/Azure/go-ansiterm"
+import ansiterm "github.com/Azure/go-ansiterm"
 
 func (h *windowsAnsiEventHandler) clearRange(attributes uint16, fromCoord COORD, toCoord COORD) error {
 	// Ignore an invalid (negative area) request

vendor/github.com/Azure/go-ansiterm/winterm/win_event_handler.go

@@ -8,7 +8,7 @@ import (
 	"os"
 	"strconv"
 
-	"github.com/Azure/go-ansiterm"
+	ansiterm "github.com/Azure/go-ansiterm"
 )
 
 type windowsAnsiEventHandler struct {