Return Entities on save/update (#226)

-- Pack types
-- Donation types
Update Http status on post pack type end point (#226)
Return view model of location on save/update (#226)
Return view model of component on save/update (#226)
Return  view  models on save/update on users & roles(#226)
Return view model on save on blood tests (#226)
Return view on update on requests (#226)
Merge pull request #228 from jembi/Ensure_Controller_methods_return_updated_entities_#226

Ensure controller methods return updated entities #226