v0.8.4

bump version from 0.8.3 to 0.8.4 (#20)

v0.8.3

Rev 0.8.3 (#18)

v0.8.1

Allow to override default environment variables values (#14)

Defaults are the same as before, but they can now be overridden if
needed.
The README has been reflected to explain the use case.

v0.7.1

revved the NOMAD_VERSION (#10)

v0.7.0

Add release 0.7.0.

v0.7.0-beta1

Add release v0.7.0-beta1.

v0.6.3

Add release 0.6.3.

v0.6.0

Add release 0.6.0.

v0.5.6

Adding release 0.5.6.

v0.5.6-rc1

Merge pull request #3 from briansorahan/master

add tzdata