With exponential prior on line ON

Exponential prior ON for number of lines in BL. The prior has no impact on the median PSDs, but it does impact the evidence since the hot chain PSD models have more lines and vary more.

requested review from @meg.millhouse

assigned to @meg.millhouse

added 1 commit

• 9073dcb9 - Comment on exp prior on lines to be ON

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added 1 commit

• 21f2d1e5 - memory leak fix in psdstart_update

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mentioned in commit 1a6bd5fc

merged