Update README.md
Added background pattern and information background to stand out
Set up a default user profile pic if the user has not uploaded one
Got profile image centered
Updated neighborhood show page
Finished upvote buttons
Merge branch 'master' into sd-front-end
Merge pull request #48 from SpencerCDixon/sd-front-end

Added background pattern and information background to stand out
Changed Sign In/Out to Log In/Out
Fixed merge conflicts
Fixed test typos
Merge pull request #51 from SpencerCDixon/pb-sign-in-to-log-in

Pb sign in to log in