Changes soundsynth's bwoink to bubbles

(http://bugs.nexisonline.net/issues/204)
Fix borgs not choosing an appareance

Locks down cyborgs after they choose a module until they choose an
appareance, to prevent standard borgs with security modules and such
running around.
Merge pull request #632 from Duny-/Bleeding-Edge

Remove bwoink from soundsynth and force borgs to choose a sprite