bcm_sta: update to 6.30.223.248

update driver and revise patches needed for 3.17 kernel

bcm_sta: fix typo
tvheadend: -mno-unaligned-access fails on x86
tvheadend: simplify tv_grab_file

and meh --quiet. closes #3661
Revert "sqlite: add upstream patch from kodi"

This reverts commit 4cde019d1e1545abda9c2419c8278a5de60326f7.
kodi: update to kodi-14-ffad6b8

Signed-off-by: Stephan Raue <stephan@openelec.tv>
kodi-pvr-addons: update to kodi-pvr-addons-14d9828

Signed-off-by: Stephan Raue <stephan@openelec.tv>
ffmpeg: update to ffmpeg-2.4.4

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libtool: update to libtool-2.4.4

Signed-off-by: Stephan Raue <stephan@openelec.tv>
kodi-audioencoder-flac: update to kodi-audioencoder-flac-a960eba

Signed-off-by: Stephan Raue <stephan@openelec.tv>
kodi-audioencoder-lame: update to kodi-audioencoder-lame-6f8384f

Signed-off-by: Stephan Raue <stephan@openelec.tv>
kodi-audioencoder-vorbis: update to kodi-audioencoder-vorbis-fa0de15

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge pull request #3566 from chewitt/bcmsta-update

bcm_sta: update to 6.30.223.248
update CONTRIBUTING.md
Merge pull request #3671 from stefansaraev/contributing

update CONTRIBUTING.md
libmad: build static

TODO: not used in core. move to unofficial?
Mesa: update to Mesa-10.3.5

Signed-off-by: Stephan Raue <stephan@openelec.tv>
kodi: update to kodi-14-8d4cdb5

Signed-off-by: Stephan Raue <stephan@openelec.tv>
misc-firmware: update to misc-firmware-0.0.13

Signed-off-by: Stephan Raue <stephan@openelec.tv>
wlan-firmware: update to wlan-firmware-0.0.26

Signed-off-by: Stephan Raue <stephan@openelec.tv>
dvb-firmware: update to dvb-firmware-0.0.47

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