Ar integrator

includes 7 commits involving ActiveRecord integration:
- builds empty skeleton
- writes a main.rb file that defines pathname variables and AR protocols
- deletes application.rb file that was return strange and unfixed errors (functionality duplicated in main.rb)
- alters main.rb file to integrate with sinatra, changing the view path. 
- adds a require call to placeholder controller
- creates migration folder
- adds ability to auto-generate blank migration files.