Tooltip Change

Now will display an image (placeholder atm) when Spacebar is held down.
Its size and position can be overridden, but default to the object's
scale and center.
Merge https://github.com/JohnMai/WhiteSharks
Merge pull request #178 from Kiroshima/master

Tooltip Change
Fix invisible button dialogue bug
Revert 720f611..ca569fa

This rolls back to commit 720f611fe835185636a2ff8c4213aa1cad1b2c8a.
Fix invisible button dialogue bug
Revert 720f611..ca569fa

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