Import empy with full path to avoid pip conflict
Use subprocess for cairosvg to avoid lack of python2 support
call genMarker with correct arguments with no joblib
Check ignoreID's in TF publishing
Added topic that enables/disables Aruco detections
Added rosdeps for cairo and joblib
Add params for determining weighting of observations; prevent compiler warnings
add cli argument for paper size to create markers
Contributors: Jack Kilian, Jim Vaughan, Rohan Agrawal, Tim Übelhör, jack