Merge pull request #177 from JohnMai/anthonylim

Fix invisible button dialogue bug
Updated sprites
Fix invisible button dialogue bug
Revert 720f611..ca569fa

This rolls back to commit 720f611fe835185636a2ff8c4213aa1cad1b2c8a.
Merge branch 'anthonylim' of https://github.com/JohnMai/WhiteSharks into anthonylim