Adding journey wrapper.
Adding journey wrapper.

The journey wrapper contains the functions needed to utilize the functionality of the graph helper.

NicWayand/OpenSfM,sunbingfengPI/OpenSFM_Test,edgarriba/OpenSfM,BrookRoberts/OpenSfM,sunbingfengPI/OpenSFM_Test,NicWayand/OpenSfM,onecue/OpenSfM,NicWayand/OpenSfM,BrookRoberts/OpenSfM,mapillary/OpenSfM,BrookRoberts/OpenSfM,NicWayand/OpenSfM,sunbingfengPI/OpenSFM_Test,edgarriba/OpenSfM,mapillary/OpenSfM,BrookRoberts/OpenSfM,edgarriba/OpenSfM,mapillary/OpenSfM,oscarlorentzon/OpenSfM,edgarriba/OpenSfM,onecue/OpenSfM,oscarlorentzon/OpenSfM,onecue/OpenSfM,NicWayand/OpenSfM,onecue/OpenSfM,onecue/OpenSfM,oscarlorentzon/OpenSfM,oscarlorentzon/OpenSfM,oscarlorentzon/OpenSfM,sunbingfengPI/OpenSFM_Test,mapillary/OpenSfM,BrookRoberts/OpenSfM,edgarriba/OpenSfM,mapillary/OpenSfM,sunbingfengPI/OpenSFM_Test