moved rails_nlp_spec into spec folder, fixed nlp bug
using non-deprecated vcr config
added pry rescue. fixes 18F #21
linked to dev setup docs in readme
hyperlinking the link to dev setup docs
removing backticks in readme link to dev docs
adding better errors
Adds coveralls to app and badge to readme
Use slugged urls when linking to categories
Integrates breadcrumbs_on_rails
added published scope to Article
fixes 18f/answers#75 by making stop_words a symbol
Remove redundant helper methods and use dotenv vars

There are a couple helper methods that are simply wrapping ENV vars
made by dotenv, this seems excessive. This commit uses only the ENV
vars created by dotenv. Fixes 18f/answer#56.
Merge pull request #52 from adelevie/feature/test_nlp

Feature/test nlp
Merge pull request #57 from 18F/feature/add_coveralls

Adds coveralls to app and badge to readme
Merge pull request #61 from adelevie/feature/pry_rescue

added pry rescue. fixes 18F #21
Merge pull request #63 from adelevie/feature/link_to_dev_setup

linked to dev setup docs in readme
Merge pull request #66 from 18F/feature/use_category_slug_in_urls

Use slugged urls when linking to categories
Merge pull request #68 from adelevie/feature/published_scope

added published scope to Article
Merge pull request #69 from 18F/feature/add_breadcrumbs_on_rails

Integrates breadcrumbs_on_rails