Point release to address the following: - Move from github to git.ligo.org - Use pyproject.toml instead of setup.cfg / versioneer - Add contributing and release guides - Remove linux system packaging - Use gpstime for GPS time conversions not astropy - Change DMT Omega labeling for V1 triggers at CIT - Change default file extension for omicron files to h5 - Compiled re expressions should use raw strings with escape characters