Rebel and Empire mini-mod

skirmish . The Rebels get The Republic Stealth ship at level 3,4&5 in both GC and skirmish. The seismic tank and the T4C battle tank are only build able at the heavy vehicle factory in GC and skirmish. Also includes the ship upgrade mod by venators_all_the_way.
This is the second version of the mod. It adds The Dragon star destroyer, the galaxy star destroyer, and the sith Battlecruiser at a level 4&5 space station in GC and at a level 5 space station in