libnl: update to libnl-3.2.25

Signed-off-by: Stephan Raue <stephan@openelec.tv>
curl: update to curl-7.37.1

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libXi: update to libXi-1.7.4

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Mesa: update to Mesa-10.2.4

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