Change default and minimum terminal height

... from 25 back to 24 lines.

It was changed in #5748 (don't know why).
include player_activity in MSVC11
Merge pull request #5934 from illi-kun/Fix_for_Studio2012

Include player_activity.* in MSVC11 project
Merge pull request #5919 from illi-kun/patch-3

Change default and minimum terminal height