[rebase] Fix errors; update dependencies

Argument must be []byte not string

Don't commit bomtest.txt

vendor/github.com/spkg/bom/LICENSE.md

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 John Jeffery
+
+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/spkg/bom/bom.go

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+// Package bom is used to clean up UTF-8 Byte Order Marks.
+package bom
+
+import (
+	"bufio"
+	"io"
+)
+
+const (
+	bom0 = 0xef
+	bom1 = 0xbb
+	bom2 = 0xbf
+)
+
+// Clean returns b with the 3 byte BOM stripped off the front if it is present.
+// If the BOM is not present, then b is returned.
+func Clean(b []byte) []byte {
+	if len(b) >= 3 &&
+		b[0] == bom0 &&
+		b[1] == bom1 &&
+		b[2] == bom2 {
+		return b[3:]
+	}
+	return b
+}
+
+// NewReader returns an io.Reader that will skip over initial UTF-8 byte order marks.
+func NewReader(r io.Reader) io.Reader {
+	buf := bufio.NewReader(r)
+	b, err := buf.Peek(3)
+	if err != nil {
+		// not enough bytes
+		return buf
+	}
+	if b[0] == bom0 && b[1] == bom1 && b[2] == bom2 {
+		discardBytes(buf, 3)
+	}
+	return buf
+}

vendor/github.com/spkg/bom/discard_go14.go

@@ -0,0 +1,12 @@
+// +build !go1.5
+
+package bom
+
+import "bufio"
+
+func discardBytes(buf *bufio.Reader, n int) {
+	// cannot use the buf.Discard method as it was introduced in Go 1.5
+	for i := 0; i < n; i++ {
+		buf.ReadByte()
+	}
+}

vendor/github.com/spkg/bom/discard_go15.go

@@ -0,0 +1,10 @@
+// +build go1.5
+
+package bom
+
+import "bufio"
+
+func discardBytes(buf *bufio.Reader, n int) {
+	// the Discard method was introduced in Go 1.5
+	buf.Discard(n)
+}