Introducing a new yard tag (@effects)
Server-side effects in compute, 1st pass
Fixing abbrevs
Server-side effects in network, 1st pass
Server-side effects in os_tpl
Server-side effects in resource_tpl
Server-side effects in storage, 1st pass
Server-side effects in ec2_credentials_helper
Server-side effects in aws_connect_helper
Server-side effects in compute

- based on compute_delete_helper
Server-side effects in compute

- based on compute_network_helper
Server-side effects in network

- based on network_create_helper
Server-side effects in network

- based on network_parse_helper
Server-side effects in storage

- based on storage_action_helper
[All] Dep. updates

Bumped AWS SDK to RC16, Rails to the next minor version in 4.0.x,
locked ONE to 4.4.x (for now).
Merge pull request #53 from arax/dep_updates

[All] Dep. updates
Polishing @effects tags

- Fixing issues found in pull request review
Merge pull request #52 from sustr4/docs

[EC2] Backend docs with the 'effects' tag
[EC2] Prefixes for EC2 config ENV variables
[EC2] Added EC2 config example to A2 VHost file