fix metadata for node creation, for GCE
Add DigitalOean backend test
Add 3 more seconds to generate key
Merge pull request #194 from mistio/digital_backend_tests

Add DigitalOean backend test
Merge pull request #152 from mistio/gce_libcloud_update

Gce libcloud update
Revert "Gce libcloud update"
Merge pull request #195 from mistio/revert-152-gce_libcloud_update

Revert "Gce libcloud update"
Don't allow duplicate rules
Merge pull request #196 from mistio/rule_fixes

Don't allow duplicate rules
Automated build of mist.js & mist.css