Handle bad input in correct/incorrect QuestionsController methods. Input handling is bad and maybe I'll fix it
Added basic snippet service for doing database work. Comitting to merge changes from Add_content_feature
Merge branch 'Add_content_feature' of https://github.com/UberMouse/ruby-challenge-app into database_layer

Conflicts:
	controllers/questions_controller.rb
	main.rb
	methods.db
Added insert method for inserting snippet text to database
added database link-ins
fix on snippets