.osx: Change minimize/maximize window effect

By default, OS X Mavericks uses the annoying `genie` effect whenever windows are minimized/maximized. This commit changes that preference and makes OS X use the more tolerable `scale` effect.

Closes #355. Ref. #270.

Conflicts:
	.osx
Remove old option.
.osx: Update iOS Simulator symlink

Conflicts:
	.osx