Update virtualreality.adoc
Update virtualreality.adoc

adding references to the "official" vr package. Moving others to legacy.
jMonkeyEngine/wiki.jmonkeyengine.org,jMonkeyEngine/wiki.jmonkeyengine.org,jMonkeyEngine/wiki.jmonkeyengine.org,jMonkeyEngine/wiki.jmonkeyengine.org