Update godeps

vendor/github.com/howeyc/gopass/README.md

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+# getpasswd in Go [![GoDoc](https://godoc.org/github.com/howeyc/gopass?status.svg)](https://godoc.org/github.com/howeyc/gopass) [![Build Status](https://secure.travis-ci.org/howeyc/gopass.png?branch=master)](http://travis-ci.org/howeyc/gopass)
+
+Retrieve password from user terminal or piped input without echo.
+
+Verified on BSD, Linux, and Windows.
+
+Example:
+```go
+package main
+
+import "fmt"
+import "github.com/howeyc/gopass"
+
+func main() {
+	fmt.Printf("Password: ")
+
+	// Silent. For printing *'s use gopass.GetPasswdMasked()
+	pass, err := gopass.GetPasswd()
+	if err != nil {
+		// Handle gopass.ErrInterrupted or getch() read error
+	}
+
+	// Do something with pass
+}
+```
+
+Caution: Multi-byte characters not supported!