Added Reviews class to access vehicle reviews using v2 of the Edmunds API.
Add StyleV2 class to access style information using v2 of the Edmunds API.
Add EquipmentV2 class to access equipment information using v2 of the Edmunds API.
Add ModelV2 class to access model information using v2 of the Edmunds API.
Add MakeV2 class to access make information using v2 of the Edmunds API.
Add ModelV2#find_models_by_make. Increment gem version.