Fix construction site name.

It was always "Construction Site: %s" without the %s filled in.
Prevent NPCs from accidentally collecting things.
fixed IronPeak intro
Some missions fixes/adjustments

* Plane with same color in all missions
* Sequence multiplayer fix
* Heavy smoke is a particle parameter
* Goal graphics fix
* Fix rocky pick direction after dialogue initiation from left
* Dialogue supports sections
* Hat moved to decoration for other missions
Put missions above worlds in scenario selection
fixed intro sequences for GoldRush and FloodedVeins