fix(plugin): Remove /etc/environment hack
feat(Vagrantfile): add serial console output sections
Merge pull request #77 from coreos/add-serial-sections

feat(Vagrantfile): add serial console output sections
fix(serial): Use absolute paths for serial log files
Merge pull request #80 from bcwaldon/abs-serial-files

fix(serial): Use absolute paths for serial log files
refactor(system): Replace system() with FileUtils calls
Merge pull request #81 from bcwaldon/drop-system

refactor(system): Replace system() with FileUtils calls
Merge pull request #60 from bcwaldon/remove-env-hack

Remove /etc/environment hack
README: point out you need new vagrant
fix(serial): Disable serial logging by default

The serial console logging causes VirtualBox to consume an immense
amount of CPU, making coreos-vagrant nearly unusable. Disabling it
by default treats the problem until VirtualBox can fix the problem
upstream.
Merge pull request #85 from bcwaldon/disable-serial

Disable serial logging by default
feat(config): Use config.rb for configuration
Merge pull request #78 from bcwaldon/vagrantrc

feat(config): Use config.rb for configuration
moved IP configuration to config.rb