Vehicle data is no longer saved and loaded into savegames, as it was externalised to xml a long time ago

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@6093 3b4a5df2-a311-0410-b5c6-a8a6f20db521
made sure that faulty xmls don't lead to three major traits

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@6094 3b4a5df2-a311-0410-b5c6-a8a6f20db521
Fix: scope modes take Aimlevel modifiers on scopes/sights into account

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@6095 3b4a5df2-a311-0410-b5c6-a8a6f20db521
SHOW_HEALTHBARSOVERHEAD allows hiding the health and fatigue bars over your selected mercs

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@6098 3b4a5df2-a311-0410-b5c6-a8a6f20db521