Fix Coverity ID 1093579: Negative array index write in sexp_damage_escort_list()

git-svn-id: svn://svn.icculus.org/fs2open@10219 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity ID 1093581: Negative array index read in sexp_clear_ship_goals()

git-svn-id: svn://svn.icculus.org/fs2open@10220 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity ID 1093574: Negative array index read in sexp_change_player_score()

git-svn-id: svn://svn.icculus.org/fs2open@10221 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity ID 1093569: Negative array index read in create_wings()

git-svn-id: svn://svn.icculus.org/fs2open@10222 387891d4-d844-0410-90c0-e4c51a9137d3
Ported parts of r9727 from zookeeper branch: Added support for multiple control presets.

git-svn-id: svn://svn.icculus.org/fs2open@10223 387891d4-d844-0410-90c0-e4c51a9137d3