Skip Next Exhibit and Replan

[kihyunjojo]

As a user, I want a "skip" button so that I can skip the animal that I no longer wish to visit.

Scenario 1: There is no animal available to skip.
Given the user is navigating through the plan,
When there is no animal available(or no animal left on the list) to skip,
Then the skip button should not show up.

Scenario 2: There is an animal available to skip.
Given the user is navigating through the plan,
When there is an animal available to skip,
Then the skip button should allow you to skip the unwanted animal.