Add description for electricity and dogs
Add description for different types
Add option products in result form
Fix to pass form_state value to unit result form
Add options product form_state value to uri parameters
Fix options_products search value for unit form
Fix options array value bug
Adjust option display
style options on unit form
style options on unit form again
style options on unit form
Create option products line_item and add to cart, first try
Fix start and end date object error.
Fix nights format  error.
Fix option product input value error.
Fix option product input value error.
Fix quantity and label for option products
Add a new field to product
Add days field for room units line item
Disable some cord for option product amount alter