Update server spec to reflect new route behavior
Add utility method for sanitizing column headers
Add new format response (html) for spreadsheet view
  Add CORS Headers
  Add new root route for listing all endpoints
Add assets to public folder
Add layout (erb) template for data-grid view
Add index (erb) template for root view
Update README with spreadsheet screenshot
Remove ruby-2.0.0 from travis conf
Add active_support before using core_ext to prevent weird travis err
Add ruby-2.0.0 to travis conf (again)
Merge pull request #4 from jonahoffline/add_spreadsheet_views

Add spreadsheet view resolves #3