Adds rails_12factor to gemfile per Heroku instructions in preparation for deployment
sets ruby version 2.0.0 in gemfile
updated gemfile.lock file
comments out username and password per heroku instructions
removes shallow nesting from routes
fixes bug in routes
fixes routes, adds missing space before do, adds require statement for css
moves faker and factory girl to production in the gemfile
adds presence constraints user migration table
adds presence constraints user migration table
adds presence constraints in create tags migration
modifies image path for backgound welcome image
adds snack-background image