o Added colouring of icons to the minimap
- local player is white
- squad members are blue/green
- friendlies are green
- enemies are red
- mines are orange
- entities under attack flash yellow
o Added small optomisation to 'Entity under attack' processing.
o Added 'under attack' bit to enthier flags
git-svn-id: https://unknownworlds.svn.cloudforge.com/ns1@396 67975925-1194-0748-b3d5-c16f83f1a3a1