bump(net-misc/gsutil): Update to 3.34

ebuilds originally created and tested in my "misc-overlay"
https://github.com/marineam/misc-overlay
fix(coreos-base/oem-vagrant): No need for run.sh for copying ssh key.

Copying authorized_keys is now built in to coreos-init.
fix(coreos-base/oem-ami): Simplify ssh key install

Use the new update-ssh-keys script to make the script a lot simpler. :)
Merge pull request #158 from marineam/misc-updates

Misc updates