Add a zero-likelihood mode
Adds a test-mode for running with zero likelihood.
- Adds a ZeroLikelihood which can be instantiated from any other likelihood as a drop-in replacement
- To use on any example, run with
--bilby-zero-likelihood-modein the command line
- A test has been added which runs a 15d CBC problem and checks the 1D posteriors agree with the priors.
- The next is added to the C.I nightly test