sqlite: update to sqlite-autoconf-3080402

Signed-off-by: Stephan Raue <stephan@openelec.tv>
file: update to file-5.18

Signed-off-by: Stephan Raue <stephan@openelec.tv>
flex: update to flex-2.5.39

Signed-off-by: Stephan Raue <stephan@openelec.tv>
curl: update to curl-7.35.0

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xf86-video-nvidia: add patch to compile with kernel 3.14
linux: update to linux-3.14
projects/RPi/patches: update RPi kernel patch for kernel 3.14, switch to kernel 3.14

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