Solve failure in the automatic download in #3 (#4)

pose graph updates (#11)

Feature/save load (#10)

fix assert statement

Create LICENSE

add PCL to cmake dependencies

Feature/unittests update (#9)

move common vlc utils from kimera-distributed (#8)

Merge pull request #7 from SPARK/feature/kimera_multi

move bow to and from msg conversion

optionally record loop verification results in loop closure data structure (for logging)

check if empty before reading versors

print error instead of crash when failing to read descriptor matrix

keep track of latest Bow Id added for each robot

fix inlier indices retrival in stereo ransac