Removed the ajax request to get subcategories of a category, used the subcategories json to populate
Added filters for questions selection and corrected indentation and fixed error
rescued record not found exception differently, find record using find by, if nil redirect
indentation correction
fixed error, method naming
Moved question types array to model
Fixed errors
changed contact_number validation
Modified views, marked required fields, moved new buttons to the top right of page
Removed questions types from constants
removed the get subcategories route(used for get subcategories ajax request)
contact_number [changed column type to string]
Merge conflict resolved