Move data cleaning to before initial JSON validation
Move data cleaning to before initial JSON validation

dhootha/project-open-data-dashboard,mchelen/project-open-data-dashboard,albertcrowley/project-open-data-dashboard,dhootha/project-open-data-dashboard,mchelen/project-open-data-dashboard,albertcrowley/project-open-data-dashboard,dhootha/project-open-data-dashboard,albertcrowley/project-open-data-dashboard,mchelen/project-open-data-dashboard