r21736b
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Critical fixes:
+ Fixed a crash that could occur if no enemy was present in combat.
+ Fixed a crash that could occur if a colony support mission was cancelled.
+ Fixed known crashes related to recent news events.
+ Fixed a crash related to invalid station modules.
+ Fixed a crash that could occur by entering certain characters into
the encyclopedia search box.
+ Fixed a treaty generation related crash.


Other fixes:
+ Fixed some known issues with System Killer news event handling.
+ Tomb rewards work again.
+ Retrofitted defenses are now returned to defense fleets.
+ Platform retrofitting is no longer linked to the station retrofit dialog.
+ Fixed black color for non-player empires.
+ Defense and reserve fleets are no longer disbanded when the last
ship is scrapped.
+ Addressed the issue of locusts not attacking planets and stations in combat.
+ Mining stimulus is now disabled until mega-strip mining is acquired.
+ Fixed the white cubes in the research screen.
+ Fixed the intermittently missing Political Science family button at
the bottom of the research screen.
+ Morrigi Crow firing now works again.
+ Planet sensor volumes are now affected by jammers.
+ Fixed design screen right-click retrofit loophole.
+ New admirals now display correct empire color.
+ Zuul fleets lacking bore ships no longer cause a request to bore
node lines when issuing missions.
+ Stations are now removed appropriately if their attached colonies
are destroyed.
+ Boarded ships no longer fire at unusually high rates.
+ Fixed Gardener suitability calculations.
+ Fixed an issue that could cause planets to share the same orbit.
+ The open/close star system button is now correctly synchronized in
both star map and star system screens.


Other changes and additions:
+ Engrams fully functional.
+ Improved combat sensor graphics