M.E.R.C Optional Gear (by Buggler)
- Added MERC optional gear purchase
- Adopted Tais' gear cost format as previously gear cost uses MercProfiles.xml 'optional gear cost' value if hire without pressing any 'gear kit' button
- Added condition to settle bills first before hiring same merc from MERC
- Added MERC starting gear hotkey
- Fix for AIM starting gear hotkey when using old inventory
- Removed unused variable in fresh_header.h

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@5780 3b4a5df2-a311-0410-b5c6-a8a6f20db521