Add back google compute engine support, following ansible-biostar structure
Egress rules do allow all outbound connections by default over EC2, convention (defaults) over configuration
TODO: Add cloud provider-independent ansible deployment @nimiq #reviewthis #lowprio
Since we have meta, this module is ready to be published on http://galaxy.ansible.com
Restore outbound rules, fix meta file for Galaxy

The outbound rules seem to be required to setup a working Amazon Security group which allows any outbound connections for
Paolo's AWS, but for INCF's AWS this is not required (because this is the default choice).
Merge branch 'brainstorm-master'
Merge branch 'master' of https://github.com/nimiq/ansible-playbook-biostar