added missing parser file

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@6023 3b4a5df2-a311-0410-b5c6-a8a6f20db521
code changes:
- the amount of food points one gets for eating now depends on the current food situation
- food/drink percentage now goes from 0 to 200%, with 100% being the optimal value

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@6024 3b4a5df2-a311-0410-b5c6-a8a6f20db521