* new selenate version 0.2.15

Signed-off-by: Davor Stimac <davor.stimac@gmail.com>
Merge remote-tracking branch 'tomo/master'
* added trace-logger to selenate server
* new selenate version 0.2.15-1

Signed-off-by: Davor Stimac <davor.stimac@gmail.com>