Add class styleguide to hologram elements

Signed-off-by: Geoff Pleiss <gpleiss@pivotal.io>
fix ci errors and out of date fixtures

Signed-off-by: Geoff Pleiss <gpleiss@pivotal.io>
Move from cmp to read/eq for better errors on ci failure

Signed-off-by: Geoff Pleiss <gpleiss@pivotal.io>
Make fixture tests order independent for reduced flakiness

Signed-off-by: Geoff Pleiss <gpleiss@pivotal.io>
Merge pull request #157 from stubbornella/feature/add_class_on_hologram_elements

Add class 'styleguide' to hologram elements