As a user I want to be able to edit my own comment and rating on a specific meal so that it represents my true opinion and I can correct myself after posting the comment/rating.
Acceptance Tests:
Scenario: Edit a comment and rating
Given I am logged in
* I have selected a meal
* I tap the "rate" button
* I am warned that i already rated this meal
* i am asked if i want to update my previous rating
* i press yes
And I edit the comment and/or rating
* I click the "post" button
Then the changes are applied
* I go back to the menu's page
Acceptance Tests:
User Interface Mockups
Value and Effort