linux: update to linux-3.7.4

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libX11: depends on xproto and xproto-host

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libX11: dont include target headers for building hosttools

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv into openelec-settings
file: fix segfault
Merge pull request #1794 from stefansaraev/file

file: fix segfault
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv into openelec-settings
update create_virtualimage script

copied changes from commit 34854f9 and commit 467914e.
create_virtualimage: we don't need md5 checks here
xf86-video-vmware: update to xf86-video-vmware-13.0.0
config/: remove unused files
udisks: remove lvm2 support
remove package: 'LVM2'
connman: update default settings file

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Python: enable ipv6 support. closes #1795
openssl: don't install docs. closes #1793
create_virtualimage: robustness creating image at least on Ubuntu
mysql-hosttools: use our zlib
Merge pull request #1799 from vpeter4/virtual

create_virtualimage: robustness creating image at least on Ubuntu
Merge remote-tracking branch 'upstream/master' into openelec-settings