Ignore chef zero files
* Bump et_logger to 1.2.0
* [T/OpsDev-65] - [Manage NICs to fix bootstrap FQDN resolution issue](https://trello.com/c/mTghd88s/65-new-servers-bootstrapped-in-ec2-don-t-converge-on-the-first-try-because-of-a-dns-hostname-race-condition "Trello")
* [T/OpsDev-64] - [Manage root's UNIX profile](https://trello.com/c/N5xeUoF8/64-manage-root-s-unix-profile "Trello")