bkeymaps: convert to new package format

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

Signed-off-by: Stephan Raue <stephan@openelec.tv>
scripts/build: dont create $PKG_BUILD for virtual packages

Signed-off-by: Stephan Raue <stephan@openelec.tv>
scripts/install: add support for 'init' packages, add more support for new package format

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

Signed-off-by: Stephan Raue <stephan@openelec.tv>
v86d: convert to new package format

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

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

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

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

Signed-off-by: Stephan Raue <stephan@openelec.tv>
busybox, busybox-initramfs, busybox-hosttools: convert to new package format

Signed-off-by: Stephan Raue <stephan@openelec.tv>
eglibc: add PKG_DEPENDS_TARGET and PKG_DEPENDS_INIT

Signed-off-by: Stephan Raue <stephan@openelec.tv>
diskdev_cmds: add PKG_DEPENDS_TARGET and PKG_DEPENDS_INIT

Signed-off-by: Stephan Raue <stephan@openelec.tv>
open-iscsi: add PKG_DEPENDS_TARGET and PKG_DEPENDS_INIT

Signed-off-by: Stephan Raue <stephan@openelec.tv>
plymouth-lite: add PKG_DEPENDS_TARGET and PKG_DEPENDS_INIT

Signed-off-by: Stephan Raue <stephan@openelec.tv>
scripts/build: dont install development stuff to $SYSROOT_PREFIX by default

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv
xbmc: install systemd-addon-wrapper in correct location

ups ;)
xbmc: service addons/systemd: also handle addon updates
new package: re-add 'unzip'

closes #2820