ENH: Add inequality overrides to complex_ops.h.
ENH: Add inequality routines to compressed types in sparsetools.
ENH: Regenerated SWIG wrappers.
ENH: Add inequalities to base.py
ENH: Add inequalities to compressed.py, bsr.py.
TST: Add tests for inequalities.
TST: Test for sparse inequalities with scalars on LHS.
STY: Changed idiom for filling matrices as suggested by pv.
Merge pull request #2586 from cowlicks/inequalities-override

ENH: sparse: implement inequality ops for sparse matrices