Replacing busybox tar with GNU tar.
And adding dependency for GNU Tar
Fixing me not taking out the URL
Moved tar to be on plex site.
Renaming to comply with OE build method.
Renmaing gnu-tar to tar for dependency build
Adding two fixes

Fix shutdown menu to run poweroff
Fix install file for tar so it gets to the build
Adding install file.
One thing at a time.
Merge branch 'plexelec-3.2.4' of https://github.com/ziggimon/OpenELEC.tv into plexelec-3.2.4