added properties scaffold

added scaffold with properties
t.integer :owner_id
t.string :code
t.string :address
t.boolean :available
t.decimal :lot_area
t.decimal :width
t.decimal :depth
t.decimal :construction_area
t.decimal :latitude
t.decimal :longitude

pending to add model relationships on owner_id
added properties->owner associations

added association attributes to property and owner
added select boxes in property form
added owner.name to property views for index and show