MNT: Rebasing the code
TST: changed the test
ENH: modified for the q rings
ENH:  take out the unwanted Q rings
ENH: modified for q_ring_val ( edge values of the bins)
DOC: PEP8 nsls2/recip.py nsls2/tests/test_recip.py
ENH: changed q_inds to make it sequentially labeled bins [1, 2, 3, ..]
ENH: deleted ealier test