update #11 - v1.15.2 available... (bunch'o'fixes)

v1152 [GEN] Crash in assimilation fixed (probably affecting MacOsX mostly)
v1152 [GEN] MacOsX - occ. crash on loading games...
v1152 [GEN] LMB - Mousescheme :ALT - formation dragging fixed.

Cheers,
Roman