add demo of target following with command output.
add option which allows for multiple webcam selection.
Merge pull request #3 from benkahle/81392092

Target following with command output
adding multi-cam to blobtracking demo
Merge pull request #4 from benkahle/blobtrackfix

adding multi-cam to blobtracking demo
adding CAD folder
Merge pull request #5 from benkahle/cadupload

adding CAD folder
Updated marker cage CAD files

We updated the CAD files for the Right and Left cages for the marker.
The parameters of the measurements are linked to the equations .txt
files.
updating 3D print for trigger holding
Merge pull request #6 from benkahle/81130754

markermount mods for trigger
adding trigger cad parts
creating assembly
continuing to add assembly...
Merge pull request #7 from benkahle/81130754-2

81130754 2
Merge branch 'master' into 81133082