added responseHashes relation.
Applied DRY and seporated report types into views and a single action.
Merge branch 'master' of https://github.com/fydo23/mySurvey

Conflicts:
	mySurvey_app/themes/mySurvey_001/views/site/reports.php
	mySurvey_app/themes/mySurvey_001/views/site/reports_bar.php