Tweaking production boosters, and matching descriptions to function.

git-svn-id: https://freeorion.svn.sourceforge.net/svnroot/freeorion/trunk@5700 dbd5520b-6a0a-0410-a553-f54834df5b05
disabled mining focus in favor of an industry boost.

git-svn-id: https://freeorion.svn.sourceforge.net/svnroot/freeorion/trunk@5701 dbd5520b-6a0a-0410-a553-f54834df5b05
-Made Number condition correctly disregard destroyed objects. This, among other things, makes imperial palaces producible after scrapping the starting one.
-Tpyo fix
-Made Universe::GetEffectsAndTargets dump state of target objects, rather than of all objects.

git-svn-id: https://freeorion.svn.sourceforge.net/svnroot/freeorion/trunk@5702 dbd5520b-6a0a-0410-a553-f54834df5b05
Merge remote-tracking branch 'svn-mirror/master'