Kitti Playback
Kitti Playback 2
kitti reader: builds again
kitti reader: removed combined kitti reader

and:
- got rid of the kitti_ boolean
- got rid of empty instantiate functions
- added the logic to test that we are dealing with one and only one type
of logs
Fixing small bugs in Spin reading
Data_reader: Added veloscan vs velospin functionality
Kitti_Reader: added return statements
Applanix Time Fix
kittireader: Epoch time set properly
Fully Functional
Merge branch 'kitti_playback_rebase' into HEAD