move dependencies to vendor

vendor/github.com/kless/term/sys/key_unix.go

@@ -0,0 +1,47 @@
+// Copyright 2013 Jonas mg
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+// +build !plan9,!windows
+
+package sys
+
+// Key codes
+const (
+	K_TAB    = 0x09 // TAB key
+	K_BACK   = 0x7F // BACKSPACE key
+	K_RETURN = 0x0D // RETURN key
+	K_ESCAPE = 0x1B // ESC key
+)
+
+// Control+letters key codes.
+const (
+	K_CTRL_A = iota + 0x01
+	K_CTRL_B
+	K_CTRL_C
+	K_CTRL_D
+	K_CTRL_E
+	K_CTRL_F
+	K_CTRL_G
+	K_CTRL_H
+	K_CTRL_I
+	K_CTRL_J
+	K_CTRL_K
+	K_CTRL_L
+	K_CTRL_M
+	K_CTRL_N
+	K_CTRL_O
+	K_CTRL_P
+	K_CTRL_Q
+	K_CTRL_R
+	K_CTRL_S
+	K_CTRL_T
+	K_CTRL_U
+	K_CTRL_V
+	K_CTRL_W
+	K_CTRL_X
+	K_CTRL_Y
+	K_CTRL_Z
+)