updated gitignore to include swp files
add vote model
Create Votes and add Votable polymorphic relation to Questions and Answers
Test votable polymorphic associations
vote controller can now create votes. votes also have a value variable. votes also have an associated factory.
FactoryGirl build() calls must be enclosed in {}
associated sub factories now exist for vote model
Merge branch 'master' into super_votable_powers

Conflicts:
	app/models/user.rb
	config/routes.rb
	db/schema.rb
	spec/factories.rb
Merge pull request #20 from tiger-swallowtails-2013/super_votable_powers

Super votable powers