Reorganize Mods.TS
Reorganize Mods.D2k
Reorganize Mods.Cnc
Move Air activities and traits to Activities\Air and Traits\Air, respectively
Move Common Modifiers and PaletteEffects into Traits space
Merge pull request #6963 from reaperrr/ra-reorg01

Initial step towards reorganising namespace/folder structure of Mods.*