gettext: force disabling of csharp support, this should fix #3344

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libbluray: update to libbluray-0.6.0

Signed-off-by: Stephan Raue <stephan@openelec.tv>
lzo: update to lzo-2.07

Signed-off-by: Stephan Raue <stephan@openelec.tv>
linux: update to linux-3.15.2

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