ncurses: depends on package 'zlib'

Signed-off-by: Stephan Raue <stephan@openelec.tv>
busybox: update to busybox-1.23.0

Signed-off-by: Stephan Raue <stephan@openelec.tv>
binutils: update to binutils-2.25

Signed-off-by: Stephan Raue <stephan@openelec.tv>
busybox: fails to build with GOLD support enabled with binutils-2.25

Signed-off-by: Stephan Raue <stephan@openelec.tv>
replace duplicate KEY_OK with KEY_PLAY

additionally set gap and toggle_bit_mask back to settings from MythTV config here http://www.mythtv.org/wiki/XBOX_DVD_IR_Receiver