ADD: gate ring texture, materials, round prefab. CHG: Modified ShootRound.cs, gate_ring.dae.
Merge branch 'master' of https://github.com/daniel-cheng/stellar
CHG: reverting to 0ebf9221e8 (Modified frigate_main.dae), modified gate_ring.dae. ADD: gate_ring_texture.png and associated assets.
Merging from 0ebf9221e8.