don't show illegal goods in the commodity market. closes #2593
clear loaded data after load. closes #2592
do an initial animation update immediately after model load

properly zeroes the animations. animation at zero does not necessarily
mean its sub-transforms will be at zero, which can lead to oddly-placed
animated parts (see the pumpkinseed for an example)
make sure matrix state is restored before drawing scanner blobs. closes #2590
don't reconnect the slider signal on every layout
..some more bugfixes from core