[#1861] Machaba/Faris | Refactored enquiries_controller#create to make it more readable
[#1861] Machaba/Faris | Modified enquiries_controller#update.
[#1861] Machaba/Faris | criteria in Enquiry model is merged instead of overridden.
Merge pull request #570 from farismosman/master

[#1861] Update Enquiry to merge.