Installs Rspec
Add model and migrations for question, answer and comment.
:wq
Add presence validations to models.
Merge pull request #1 from Lkroner/igor_rspec

Installs Rspec
Merge branch 'master' of https://github.com/Lkroner/Snack_Overflow into database_and_model
Merge schema conflict
Conflicts:
	db/schema.rb
Merge pull request #3 from Lkroner/database_and_model

Database and model
Merge branch 'master' of https://github.com/Lkroner/Snack_Overflow into devise_setup

Conflicts:
	Gemfile.lock
	db/schema.rb