* Found a bug in the initialization of the back extrapolation
           * tag TrkExEngine-00-00-34

2015-07-27 Andreas Salzburger < Andreas.Salzburger -at- cern.ch >
           * evaluation of approach surface in layer loop
           * tag TrkExEngine-00-00-33

2015-07-20 Noemi Calace <noemi.calace@cern.ch>
           * setting the initial radial direction
           * tag TrkExEngine-00-00-32

2015-07-14 Andreas Salzburger < Andreas.Salzburger -at- cern.ch >
           * introducing radialDirection concept
           * tag TrkExEngine-00-00-31

2015-07-08 Andreas Salzburger < Andreas.Salzburger -at- cern.ch >
           * removed commented-out lines
           * tag TrkExEngine-00-00-30

2015-07-07 Noemi Calace <noemi.calace@cern.ch>
...
(Long ChangeLog diff - truncated)