[cloudformation/platform] update platform-from-nexus template for use with independent ELB stack ouputs
Merge pull request #27 from signifyd/update/platform-from-nexus-elb

Update platform-from-nexus template for use with independent ELB stack ouputs
[papertrail-rsyslog] untabify and uncomment service notifications
[signifyd-base] update author info
modify rsyslog and remote_syslog services so they will restart when hostname is updated

Summary: attempts to restart syslog services when hostname is updated by chef

Test Plan: run deploys and verify that they are reporting expected hostname to papertrail without manual intervention

Reviewers: blaskey

Differential Revision: http://phab.signifyd.com/D561
[cloudformation] update _cf_attr references to attr!
[cloudformation] add vpc dynamics
[cloudformation] first pass at playapp vpc template
[cloudformation] add amazon nat to machine image list
[cloudformation] default chef run list to empty array
add encrypt_data_bag to bundle, ignore .rb data_bag items
[signifyd-base] correct authorship attribution
[signifyd-base] add recipe for configuring encrypted data bag secret
[cloudformation] update nat security group to allow incoming ssh
readd missing user cookbook attributes
[cloudformation] update cf helper calls for consistency
[signifyd-base] manage sudo configuration
[cloudformation] move platform templates into their own directory
[cloudformation] normalize vpc resource names

Because it seems weird to have resource names like "#{_name}_vpc_foo"
for every VPC resource, and it seems wrong to have multiple VPCs defined
in a single template, these changes make the vpc dynamic
less... dynamic, but also easier to comprehend. The VPC dynamic may
become a component in the future.
[openvpn] add wrapper cookbook, role and encrypted data bag item