Restructured assignGear backpack setup
* moved to new file for each faction
* is #included in assignGear main files

Other:
* moved assignGear_attach & assignGear_clothes to sub-folder assignGear/core as they don't need any configuration user-side
fixed path for attach/clothe #includes
fixed filepaths for backpack #includes
no message
moved _cloths and _attach back to main folder for now
fixed paths
Merge pull request #232 from Wolfenswan/dev-backpacks

Moved backpack part of assignGear component into their own files