Remove Turbolinks, SQLite

database.yml update
Minor additions to .gitignore
Add HAML, awesome_print, ruby_parser gems
Style up & rename the NavBar
Assert admin flag for administrative actions
Revamp sections index as landing page
Basic section model validations
More ubiquitous set up for instance variables
Roughing in Paperclip functionality
Attempting to clean up ActiveAdmin config
Massive(scumbag) presentation/layout changes