Replaces glitchy blue tiberium art with TS-style remapable tiberium art

Fixes visual glitches with old blue tiberium art, makes tiberium remapable for potential addition of other color variations.

![blue-temp1](https://cloud.githubusercontent.com/assets/2857877/3475534/deccc528-02f1-11e4-8343-59be702dbeea.png)
![blue-des1](https://cloud.githubusercontent.com/assets/2857877/3475536/e1c6cd8c-02f1-11e4-9ed6-70aab0c4f9cb.png)