Fix changelog

Update changelog to v0.12.12 release

Update npm key for travis.

Merge pull request #70 from cleung2010/issue_69

Fix for GH-69

Update to version 0.12.9

Update to version 0.12.8

Merge pull request #63 from cleung2010/master

0.12.7

Merge pull request #61 from cleung2010/config-file-flag

config-file-flag

Merge pull request #60 from cleung2010/fixup

fixup

Merge pull request #57 from cleung2010/env_variables

Use env variable if they exist for Consul config