Renamed location.class to Location.class for better disinguishment. Followed feedback provided by RN and removed unnecessary locationID variable within Location class

cleared code, made addLocations element name easier to distinguish, fixed bug with landamrk form not defaulting to select location/trail disabled selection dropdown option by default

integrated location/landamrk table with landamrk signup form todo: lcoationDEescription constricted by varchar(250), find better way to implement large text

 Updated table to contain correct table columns with partial Caerphilly location data frome ach avialable trail