add associations for user: has_many links, comments, votes
add links controller
add empty views for links
add polymorphic associations for comments, links, and votes
make corrections to migrations and associations
add polarity to vote_count
add resources for links/comments; make links the root route
add seed file
add views for link#index
Merge branch 'master' of https://github.com/eddiekimosabe/edhacks into seed

Conflicts:
	.gitignore
	Gemfile
	config/routes.rb
	log/development.log
Merge branch 'master' of https://github.com/eddiekimosabe/edhacks into seed
revise seed file
Merge pull request #4 from alanflorendo/seed

Seed