Replace CRLF with unix-style "LF"

Seems to be more welcome, see e.g.
http://lists.openstack.org/pipermail/openstack-dev/2013-January/004549.html

Change-Id: I35e0fac4bbfc2fdf2dd9c56c264209e0c3a20cee
Merge "Replace CRLF with unix-style "LF""