Update Action.java

Better describe Action.PHYSICAL "Ass-pressure" isn't really descriptive enough.
Merge #51

Thanks @meggawatts

commit 3b38204938a14f3e648d78393e41f6e5d5a20987
Author: Henry Slawniak
Date:   2013-11-28 00:05:27 -0600

Update Action.java

Better describe Action.PHYSICAL "Ass-pressure" isn't really descriptive enough.