Merge pull request #2094 from RosettaCommons/jaumebonet/rmsdfromselector
TrueResidueSelectorCreator is now included in the init.cc and, thus, is accessible through RS with the tag.
Several functions in core/select/residue_selector/util.cc to evaluate ResidueSubsets.
RmsdFromResidueSelectorFilter allows to apply ResidueSelectors to both the pose and the reference_pose (loaded through the SavePoseMover).