Adds 3 new salvage/loot related settings for Cade

<!-- tractorBeamMinimumCapacitor - below this capacitor level the background salvaging behavior will not attempt to use a tractor beam: default 0% -->
  <tractorBeamMinimumCapacitor>0</tractorBeamMinimumCapacitor>
  <!-- salvagerMinimumCapacitor - below this capacitor level the background salvaging behavior will not attempt to use a salvager: default 0% -->
  <salvagerMinimumCapacitor>0</salvagerMinimumCapacitor>
  <!-- doNotDoANYSalvagingOutsideMissionActions: disabled ALL salvage related actions, tractor/salvager/wreck targeting, everything when not processing a loot or lootitem action in a mission -->
  <doNotDoANYSalvagingOutsideMissionActions>false</doNotDoANYSalvagingOutsideMissionActions>