[IMP-dev] Adding refineOncePairScore

[Daniel Russel <drussel@gmail.com>]

I think I forgot to add the files before sending the last patch. This  
is a pair score which uses a particle refiner to refine each of the  
particles once before calling a passed pair score on each of the  
generated pairs.

Attachment: rops
Description: Binary data

Add a comment to restraint to point out that it can now be added to  
multiple sets:

Attachment: multiple_parents_restraints
Description: Binary data

Clean up ref counted

Attachment: ref_counted_cleanup
Description: Binary data

Check the arguments for the wlc  constructor since it has two float  
arguments and the order is not obvious a priori.

Attachment: wlc_argument_order
Description: Binary data