Drop executable bits on files
Merge pull request #254 from vuntz/no+x

Drop executable bits on files
Revert "enable kernel output on serial console"

This reverts commit 690fad428a59bcf7601a45c3d294cbc733c50deb,
there is already a config option to do that.
Expose serial console attribute via UI

This also changes back the default to "false",
which works around
https://bugzilla.novell.com/show_bug.cgi?id=860088
Make the tty configurable

Depending on your hardware, common serial consoles could be connected
to ttyS0 or ttyS1. Make it configurable per node.