Merge pull request #32 from brianjscoles/master

	build script to fetch top 30 cities. currently buggy.
Add GET api/instagram
Merge pull request #34 from dsinkey/master

Add GET api/instagram
Add numbers to visualization
Add city names
Add new D3 stuff
Merge pull request #35 from thejsj/master

Add numbers, titles and colors to visualizations
fix syntax errors after rebase
build out getMassInstagrams function
partially refactor to update existing DB records
fix bugs and syntax in API routes
fix syntax
fix merge conflicts