fix crash when no result was returned for QueryMoreTrips
issue #14

* added svg with icons for:
HIGH_SPEED_TRAIN
REGIONAL_TRAIN
SUBURBAN_TRAIN
SUBWAY
TRAM
BUS
FERRY
CABLECAR [ ] ON_DEMAND
moved product icons to own svg files
Merge branch 'master' of https://github.com/mray/Liberario into dev