Updated AprilTag to v3.3.0.
Removed dangerous redefinitions.
e57: fixed link order of libcurl.
scanio: Do not include framereader in scanio since framereader depends on scan.
cartographer2scan: added --use-receive-timestamps to export dodgy bagfiles.
cartographer2scan: fixed bug introduced because of wrong use of Eigen, which has column-major memory alignment.
Fixed trailing white spaces.
cartographer2scan: write scans using printf because faster.