* Renamed AI_IsValidTarget to AI_IsHostile and extended it.

* Should come in handy later.
* Separated insanaity from rage morale behaviours.
* [UI2:HUD] Made next/prev soldier buttons in inventory window work.
* [UI2:HUD] Removed unused confunc's.
* [UI2:HUD] Replaced selected_soldier with cl_selected.
* [UI2:HUD] Added wounds display to new inventory/stats window.
* [UI2:HUD] Made the UI buttons toggle the new inventory/stats window.

* The keybindings now also toggle the new window instead of the old ones.
* Removed unused scripts.
* [UI2] Moved component to assets file.