Cloak duration & warmup time changes

[Mephistoles]

Light cloaks charged too quickly and as a result were very hard to stop. They were, not quite, but almost get out of jail free cards but didn't really last long enough to do anything but run to the nearest base or jumphole. Often supported/enabled poor gameplay from a certain type of player.

Increasing their charge time and duration is definitely an improvement in both areas.

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