have word names for reference words within a topic.
bar charts now showing up for popular words on topic show page.
added multiplier to add modular function to bar graphs.
added some padding to the nav elements and changed the header at the top of every page.
added a second dynamic bar chart to topic show page.
got the bar chart working
Merge branch 'master' into deploy_by_8
added some basic copy so that we can tell what each graph is doing.
Merge pull request #72 from devdame/import_data

Import data
fixing merge conflicts for 8:00 deployment.
Merge pull request #74 from devdame/deploy_by_8

Deploy by 8
setting assets precompile to false to try to remedy the heroku rejection
Merge pull request #75 from devdame/assets_precompile_false

setting assets precompile to false to try to remedy the heroku rejection
styling is more uniform throughout the app, nav bar is styled more
fix merge conflicts