Fix typo

Old_findID spelt wrongly noticed by @mchesterkadwell
Fix artefacts controller

This should now retain text when an error is made for entering objects
data.
Finds audit table sql change
Fix slideshare view helper add partial
Fix view helpers
Clean up personal display of data for contacts

Added checks for image 404
Added assets path as a constant
Added sketchfab view helper and partial
Deleted unused helpers
Removed old grapher
Updated staff image rendering