added screenshot functionality & extra url validation
updated gitignore
updated gitignore
added logic to not show bad domains
added links to reviews for frontpage screenshots
added env variables
updated gitignore
fixed logic statement issue and deleted lines
added helper method for image logic
Add username migration
Added index
removed stw routes
Merge pull request #46 from LaunchAcademy/shrink_the_web

3 Shrink the web
Merge pull request #49 from LaunchAcademy/add_username_migration

Add username migration
Merge branch 'master' of github.com:LaunchAcademy/meta_review into comment_mailer

Conflicts:
	Gemfile
	Gemfile.lock
	db/schema.rb