Test for symptoms of issue #241
Initial `backwards` value needs to be independent on given speed in order to not neutralize backwards motion when negative speed is given. #241
Pair of tests for initial speed direction. #241
Negative initial speed into Multi Row Object Movie Sequence example. #241
Also the `backwards` flag receives a proper value only at play-time to guarantee the correct playback direction. #241
Merge branch 'gh-241-negative-initial-speed' into development