libbluray: update to libbluray-0.5.0

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xorg-server: update to xorg-server-1.15.0

Signed-off-by: Stephan Raue <stephan@openelec.tv>
eglibc: set minimal kernel version again to 3.0

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xextproto: update to xextproto-7.3.0

Signed-off-by: Stephan Raue <stephan@openelec.tv>
syslinux: convert to new package format

Signed-off-by: Stephan Raue <stephan@openelec.tv>
syslinux: move image makescript out of package, merge with scripts/ and /scripts/image

Signed-off-by: Stephan Raue <stephan@openelec.tv>
bcm2835-bootloader: merge image makescript with scripts/mkimage, rename 'mkimage-syslinux' to 'mkimage'

Signed-off-by: Stephan Raue <stephan@openelec.tv>
scripts/mkimage: dont exit and break the build from here

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