Allow Shift+Arrow to be passed into to applications like mc and vim

Note: action shortcuts take precedence of keybindings. So to use
Shift+Arrow in mc/vim, make sure they are not set as action shortcuts.

CCBUG: 204388
BUG: 59256
FIXED-IN: 4.8.3

data/keyboard-layouts/default.keytab

@@ -62,6 +62,11 @@ key Down  -Shift+AnyMod+Ansi           : "\E[1;*B"
 key Right -Shift+AnyMod+Ansi           : "\E[1;*C"
 key Left  -Shift+AnyMod+Ansi           : "\E[1;*D"
 
+key Up    +Shift+AppScreen             : "\E[1;*A"
+key Down  +Shift+AppScreen             : "\E[1;*B"
+key Left  +Shift+AppScreen             : "\E[1;*D"
+key Right +Shift+AppScreen             : "\E[1;*C"
+
 # Keypad keys with NumLock ON
 # (see "Numeric Keypad" section at http://www.nw.com/nw/WWW/products/wizcon/vt100.html )
 #