Completion of advanced resetting methods for points outside the boundary. Currently runs without errors, however python self kills this process. Expected due to exceeding memory limitations. Perhaps will work if run on OzSTAR?

"Addition of more advanced resetting points outside boundary methods. Specifically those for the first knot. Unfinished.

Merge release branch

See merge request lscsoft/lalsuite!1468

Informative error message fRef NRwaveform

See merge request lscsoft/lalsuite!1462

Add fabs to prevent negative Spl2 and Smi2

See merge request lscsoft/lalsuite!1467