v2.1.0

• LSST ComCam simulation support #448, #449, #450
• Improved config handling of camera-specific info #459
• Fix to avoid repeated renderings of objects if the input catalog is smaller than the number of requested objects #463
• Improved instCat reading efficiency #466
• Bug-fix for test_psf.py #467
• Refactor of stamp code #468
• Improved rotSkyPos calculation #469
• Sky background calculation bug-fix #470
• Add code to parse astropy QTables for AOS studies #472
• Add LSSTCamSim as a camera type to distinguish simulated data from real LSSTCam data #473
• CI and installation doc bug-fixes #476
• Pupil coordinates bug-fix #477
• Seqnum bug-fix #478
• Improved tree ring handling for multiprocessing #479
• Updates to photon op tests for photon pooling code #484
• Interface changes for using skyCatalogs v2.0.1 #485
• Add GHA CI tests using cvmfs distributions of the LSST stack #487
• Photon pooling code and image/stamp refactoring #424