Merge branch 'review-tutorials' into 'master'

.gitlab-ci.yml

.pre-commit-config.yaml

bilby/bilby_mcmc/sampler.py

bilby/core/sampler/dynesty.py

bilby/core/sampler/emcee.py

bilby/core/sampler/ptemcee.py

docs/conf.py

examples/tutorials/basic_ptmcmc_tutorial.ipynb

examples/tutorials/compare_samplers.ipynb

examples/tutorials/fitting_with_x_and_y_errors.ipynb

examples/tutorials/making_priors.ipynb

examples/tutorials/visualising_the_results.ipynb

test/core/sampler/dynesty_test.py

test/gw/utils_test.py

test/integration/sampler_run_test.py