xbmc: update to xbmc-12.0.3

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv
create_addon: quoting $PKG_ARCH
Merge pull request #1967 from vpeter4/stuff

create_addon: quoting $PKG_ARCH
xbmc: init: cosmetics. conservative -> ondemand to not cause confusion ;)
linux: update to linux-3.7.10