added capybara gem to test environment
first spec for landing_page
added landing page controller
basic landing page spec and components
added bootstrap and pry gems
added Word spec/model/controller
added rspec-its gem for specs
added Definition specs, model, associations
spec and code for dependently destroying definitions with words they belong to
removed landing pages since we are just using word index
new migration to change definition column from string to text
added some needed gems for testing
added specs for search feature and word factory
added search feature javascript and some minimal views
replaced landing_page with word in routes
included bootstrap styling