Merge pull request gruntwork-io#13 from danielezer/master

Remove quotes from the dns_managed_zone_name variable type to avoid terraform linting issues

Merge pull request gruntwork-io#9 from gruntwork-io/network-lb

Network Load Balancer Module

Merge pull request gruntwork-io#8 from gruntwork-io/tf12

Tf12 Upgrade

Merge pull request gruntwork-io#6 from gruntwork-io/internal_lb

Add internal load balancer

[skip ci] Merge pull request gruntwork-io#5 from gruntwork-io/fix_links

[skip ci] Change links to absolute

Merge pull request #3 from gruntwork-io/root_example

Add root example and update README

Merge pull request #2 from gruntwork-io/http_load_balancer

HTTP Load Balancer, example and tests