adds docker proxy config
adds docker proxy config on boot2docker
Fix tiny typo
Upgrade Vagrant version to 1.6.3 for testing
Ensure that the .npmrc file exists

Work around https://github.com/npm/npm/issues/5065

Ref: #54
Cc: @olekhy
Fix /etc/environment for empty end `false` values

Ref: #54
Release v1.3.2
Up version for dev
Fix docker config for empty end `false` values
adds docker daemon restarting to reflect proxy configures
deletes unused environment variables by go library
Merge pull request #69 from otahi/docker

Add support for docker proxy
Bump version to 1.4.0.dev
Update the changelog