Move RA World traits, FrozenUnderFog Modifier and various other traits into Traits
Adds editor categories to TD tilesets

Removes magenta desert tiles
Merge pull request #6979 from reaperrr/ra-reorg02

Moved various RA traits into Traits namespace & folders
Merge pull request #7043 from reaperrr/cnc-tileset-fix

Added map editor categories to TD tilesets
Second implementation of Sandworms

Fix tabs in AttackSwallow.cs
Step three in implementing sandworms

Removed/fixed comments
Code style fixes

Fixed AttackWander, addressed style nits

Fix Travis crash
Improved visuals, added WormSign norification
Add RadarPing on worm spawn, fix wandering issue, add new Wormspawner.shp
AttackWander style fixes
Add WormAttack notification, fix worm min count and spawn interval

break AttackMove

fix AttackMove
Enhance usage of WormManager Minimum and Maximum properties