Fixed +Spread From LOD not working.

git-svn-id: svn://svn.icculus.org/fs2open@10290 387891d4-d844-0410-90c0-e4c51a9137d3
Trunk sync r10290.

git-svn-id: svn://svn.icculus.org/fs2open@10291 387891d4-d844-0410-90c0-e4c51a9137d3
Added a +Minimum Weapon Span auto spread shield option to control the minimum distance weapons must have traveled before being allowed to hit the shield.

git-svn-id: svn://svn.icculus.org/fs2open@10292 387891d4-d844-0410-90c0-e4c51a9137d3
Fixed breakage from r10254: key tokens in messages weren't getting translated right.

git-svn-id: svn://svn.icculus.org/fs2open@10293 387891d4-d844-0410-90c0-e4c51a9137d3
Trunk sync r10293.

git-svn-id: svn://svn.icculus.org/fs2open@10294 387891d4-d844-0410-90c0-e4c51a9137d3