FIX impressionist:install
added hook_for :orm in impressionist generator
Impressionist's generator is now working properly.
One should rails g impressionist:install and it will
copy initializer file and generate a migration.
(ActiveRecord as default for ORM).
README
removed impressionist_generator spec
parallelize test
Added/Tested impressions_cache migration.
TODO: Write what sort of relation impressions_cache should do.
Ignore all migration files in dir db/migrate
Impressionist::ORM should now be able to require a model
based on a name passed in during:
rails g impressionist:install --orm=name_here.
Added/Tested AsyncConsumer