Adds yml file with terms and definitions.
Adds font awesome files for tooltip icon use. These will also be used for other icons on the site to pbring it more in line with other 18F work.
Adds tipped.js files.
Adds base styles for functioning tooltips.
Adds styling for in-text indicator that there is a tooltip
Adds tooltips to homepage.
Typo
Adds tabindex for focus and role=tooltip for aria
Merging feature/add-definition-tooltips to resolve conflict.
Resolve merge conflicts