Version bump to 0.8.0

Merge branch 'time-zones'

Update test for including time zone.

Include time zone in generated post metadata

Version bump to 0.7.0, update changelog.

Add config for custom time format, fixes #8.

Pin rspec version to 2.14.

Bump to version 0.6, external editor.

Merge branch 'qrohlf-external-edit' (closes #5)

rework to use editor environment variable

Add the ability to specify an editor in _config.yml

Removing code duplication in CLI class.

Refactor move options

Reorganize command spec

Bug fixes for older rubies, version bump.