Update and simplify Construction Mode sidecar HWP
Changes:
- Remove amGirder.png (not required anymore)
- Make all non-overwritten ammo icons transparent (for nemo's Ammos overwrite patch)
- Add Ammos_bw.png
turn hwp Ammos overrides into overlays. untested.
Backed out
changeset 82951b9b3c2f
Reason: People think giving hogs the weapons again in consecutive turns is OP
Backed out
changeset 98824a464230 (disable GetLaunchX/Y again)
Reason: GetLaunchX/GetLaunchY were buggy