Added the Touscha Javelin and Starpoint Shipyards.

-Added Starpoint Shipyards, using Sirius Shipyards as a template.
-Modified tech.xml to allow selling of the Touscha Javelin at Starpoint.
-Created the Touscha Javelin, and added to fleet .xml.
-Modified the Touscha spawn script to incorporate the Javelin.