linux: enable CONFIG_ALX on Generic & Generic_OSS

closes #2336
service.openelec.settings: fix build depends
config/path: handle multiple package dirs

we should not fail if there are multiple dirs with
same name in packages/, if only ONE contains 'meta'

only a dir with 'meta' inside is a package
udev: start monitor only in debug mode, move logfile

closes #2393
Merge pull request #2465 from stefansaraev/multiple-pkg-dirs

config/path: handle multiple package dirs
busybox: persistent debug logs...
busybox: create /var/log/wtmp again from tmpfiles.d config, because its done after calling '01_mount-filesystem'

Signed-off-by: Stephan Raue <stephan@openelec.tv>
xbmc: fix PR2890, this fixes #2466

Signed-off-by: Stephan Raue <stephan@openelec.tv>
util-linux: set swapfile with suggested permissions

Signed-off-by: Stephan Raue <stephan@openelec.tv>
config/path: take in account dirs with "Build" script
lzo-host: add meta file

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv