new package: add package 'libressl'

Signed-off-by: Stephan Raue <stephan@openelec.tv>
pulseaudio: switch to libressl support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Python: remove RAND_egd support to support libressl, switch to libressl support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
ffmpeg: switch to libressl support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
rtmpdump: switch to libressl support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
openssh: switch to libressl support, add patch to support libressl

Signed-off-by: Stephan Raue <stephan@openelec.tv>
openvpn: switch to libressl support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
wpa_supplicant: switch to libressl support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xorg-server: switch to libressl support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
curl: switch to libressl support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
diskdev_cmds: switch to libressl support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libssh: switch to openssl/libressl support, remove not needed patch

Signed-off-by: Stephan Raue <stephan@openelec.tv>
vdr-plugin-dvbapi: switch to libressl support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
tvheadend: switch to libressl support

Signed-off-by: Stephan Raue <stephan@openelec.tv>
remove package 'openssl' (replaced by package 'libressl')

Signed-off-by: Stephan Raue <stephan@openelec.tv>
config/version: set ADDON_VERSION to 4.3

Signed-off-by: Stephan Raue <stephan@openelec.tv>