renamed missions text file to prevent conflicts with original
map names were already renamed in the past for the same reason
this port simply continues where Saleck left off from a decade ago

1. Fixed nav on all maps.
2. Balanced out items on all maps. 40 Molotovs and 25 pipes per map was serious overkill.
3. Removed added hoards.
4. Added a health box on map 4.
There was enough difference between maps 3 and 4 that was causing double health kits and ammo piles on the courtyard.
5. Fixed some model issues on maps 2 and 3. Enjoy. Plays much better.
6. Fixed missing stringtable on map 4.

03/15/18
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map 4 causing duplicate items in the finale

03/15/18
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Replaced map 4 and it's nav

03/14/18
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map 4's nav had some issues. It was doubling up health kits etc. on the finale.
I reanalyzed all the nav maps in case there was some other errors.

03/14/18
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Fixed the issues with the bad brushes and a couple more models with issues.