prevented GG generators in the same system from stacking.  Should probably be scripted to prevent building a second one.

git-svn-id: https://freeorion.svn.sourceforge.net/svnroot/freeorion/trunk@5760 dbd5520b-6a0a-0410-a553-f54834df5b05
made colonizing an asteroid outpost not cancel the microgravity industry manufacture bonus.

git-svn-id: https://freeorion.svn.sourceforge.net/svnroot/freeorion/trunk@5761 dbd5520b-6a0a-0410-a553-f54834df5b05
Merge remote-tracking branch 'svn-mirror/master'
Commenting out revision 5760 for the release.

git-svn-id: https://freeorion.svn.sourceforge.net/svnroot/freeorion/trunk@5762 dbd5520b-6a0a-0410-a553-f54834df5b05
Merge remote-tracking branch 'svn-mirror/master'
Misc AI revisions, adding support for Fractal Ships among other things; also a revised charting script that also plots empire ship counts

git-svn-id: https://freeorion.svn.sourceforge.net/svnroot/freeorion/trunk@5763 dbd5520b-6a0a-0410-a553-f54834df5b05
Merge remote-tracking branch 'svn-mirror/master'