Adds slim to the Gemfile
Creates System and SystemRequiremen resources
Shows nested fields for Model and Entity show views
Shows names for System in #show and #index
Adds link to Requirements in the home
Updates Requirements views
Show the Requirements for each System
systems_controller: Creates validate route and action
Properly structure 'placeholders' for analyze and verify
Changes systems#show view to slim format
Add initial experimental nltk scripts
Implemets Basics and Nouns analysis