various bugfixes & refactoring
- fix one error source for #39
- fix patrols when no exclusion zones are defined (#42)
- fix #44 - dont switch to civ when incapacitated in any way (#46)
- make sure civs dont get stuck in weird animation (#47)
- fix spawn positions in relation to players (#43), refactor much of the spawn and waypointing logic
- config values "civClass" replaces
#define GRAD_CIVS_CIVCLASS
(#48)