Ignore empty keys during 'ls'. Fixes #54
Merge pull request #55 from hashicorp/h-emptykey

Ignore empty keys during 'ls'. Fixes #54
- Updating to fix improper syntax for with statement
Merge pull request #62 from jrnt30/master

Fix improper syntax for with statement
Merge branch 'master' of https://github.com/hashicorp/consul-template into FEATURE-63