this is a temporary hack until a better (more portable, robust)
autoconf-based solution can be found

This commit adds a new element called lal_logical_undersampler which is used in the calibration pipeline.  A new calibration pipeline along with some unit tests have also been commited.

This loop did nothing but assign a string literal to a variable.

The original expression only considered the first time_slide_id in the
database.

gstlal-inspiral/doc/Doxyfile.in: change alias of gstlaldoc to gstlalinspiraldoc and add package number back

- fix livetime calculation (use function in far.py)
- replace rate-vs-SNR plots with rate-vs-Lambda plots
- edit plot titles

- fix off-by-one column alignment problem
- edit headings
- display ln(likelihood ratio) instead of likelihood ratio

instead of adding an extra timestamp structure element to the message

reference_psd.py: add functions to apply a moving median to the spectrum and a polynomial fit to the log