Gives the CE Advanced magboots for traitors to steal, and lets Sci make normal magboots![MAP]

- The Chief Engineer now has 'advanced' magboots to match his suit. They have a slightly lower slowdown when active.
- Scientists can now make magboots!
-The magboots objective for traitors now targets the CE's magboots.

@Metacide if this is merged, people mirror the change to Metastation!