Use Opscode Omnibus installer for Chef

All official Digital Ocean images should be supported by it.

At least Debian might not have curl in the base image, so use wget for all.
Add ca_path config variable to allow users to specify the certificate file on OSX
Fix error in Create#terminate
Remove debugging printout
Merge pull request #13 from rjsamson/osx_certificates

Add ca_path config variable to allow users on other platforms (OSX) to configure SSL properly.
Merge pull request #12 from tmatilai/chef-omnibus-installer

Use Opscode Omnibus installer for Chef
Update README to reflect ca_path config option.
Merge pull request #14 from rjsamson/osx_certificates

Update README to reflect ca_path config option.
readme format
ensure the machine id is a string, catch ip detection issues, switch to a better ip detection method
make sure provision accounts for new provisioner shared folders, add provisioner to test Vagrantfile
add test box cookbooks path
centralize client instantiation
use the key and id provided in the config Fixes #16
remove spurious backup file, global ignore missing on dev machine :(
basic integration tests
readme cleanup
implemented ssh key support for digital ocean vagrant provider
Merge pull request #17 from smdahlen/ssh-key

implemented ssh key support for digital ocean vagrant provider
bump to 0.0.3