Add spec test for custom properties
Remove gateway config from spec_helper.rb
Set env in grocer_spec
Update stream.rb to use IoC pattern in latest notifiable-rails
tmp
Merge branch 'refs/heads/configurable' into dev
Update spec for property overrides
Use property overrides for message and custom properties
Merge branch 'refs/heads/property_overrides' into dev
Remove local path for notifiable-rails from Gemfile.lock
Depends on notifiable-rails >= 0.4.0
bump version
Merge branch 'refs/heads/dev'