chapter3finoffice, the desk needs a wall so you cant walk on it

chapter3finoffice, the desk needs a wall so you cant walk on it fix
Merge branch 'master' of https://github.com/JohnMai/WhiteSharks
chapter2endcutscene transition happens too slow

chapter2endcutscene transition happens too slow fix
chapter4networkbrainroom Scene change is too slow

chapter4networkbrainroom Scene change is too slow fix
Merge pull request #521 from JohnMai/anthonylim

Optimize character sprite quality