Fix reading of latex_labels in prior file to avoid multiple escape characters

See merge request !581

Fixup documentation

See merge request !583

Deprecates some of the problematic helper functions

See merge request !584

- The helper functions are not tested rigourously and hide detail under
  the hood. This deprecates them in favour of the users setting things
  up themselves.

Catch ValueError raise by dynesty resample_equal function

See merge request !585

Fixing bug in dt

See merge request !586

Adds the LAL version information to the meta data

See merge request !580

Update sampler_requirements.txt: PyMC3 v3.7 is Python 3 compatible only, so change the requirements

See merge request !582

Resolve "Improve validate filename"

Closes #403

See merge request lscsoft/bilby!577

Resolve "Emcee chains error"

Closes #398

See merge request !579

Resolve "Nightly C.I. breaking"

Closes #404

See merge request !578

Remove the sqrt(2) normalisation from the scalar longitudinal mode

See merge request !574

In !573, the GW150914 prior was removed from the default directory. The
tests rely on this in order to run, this adds it back in.

This change allows psd files wihtout a "/" in their paths to be used. This will
also improve the logged output and increase the clarity of what is being
checked where.

replace removed scipy.interpolate.spline

See merge request !576

Added try except clause for building the lookup table

See merge request !575

Resolve "Organise the examples"

Closes #304

See merge request !573

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Conversion compatibility

Closes #396

See merge request !572

Revert changes to the default settings

See merge request !571

Reapplies the 10xndim default setting. Whilethe 30xndim is more robust,
since we wont use default settings to pass the PP test it is overly
burdensom of higher-mass runs to keep with this default.

GW170817 in open_data_examples

See merge request !570

Prior json format

See merge request lscsoft/bilby!500

Version 0.5.4 release

See merge request lscsoft/bilby!569

Changes the default number of walks to 30x ndim (previously 10x ndims).

See merge request lscsoft/bilby!564