Adding rspec-rails, database_cleaner, & capybara

https://github.com/bmabey/database_cleaner
Installing, via bundler, the gems

Commands:
$ bundle
Removing test directory

ProjectHydra makes use of rspec

Scripts Run:
$ rm -rf test
Initializing project for rspec

Commands run:
$ rspec --init
Adding spec for catalog

This spec includes comments on what will be tested