schroedinger: implemented basic smearing around Fermi limit
schroedinger: implemented basic smearing around Fermi limit

- added guess_n_eigs(), smear(), setup_smearing()

rc/sfepy,vlukes/sfepy,BubuLK/sfepy,sfepy/sfepy,sfepy/sfepy,vlukes/sfepy,rc/sfepy,RexFuzzle/sfepy,rc/sfepy,olivierverdier/sfepy,RexFuzzle/sfepy,lokik/sfepy,vlukes/sfepy,RexFuzzle/sfepy,BubuLK/sfepy,olivierverdier/sfepy,olivierverdier/sfepy,lokik/sfepy,BubuLK/sfepy,RexFuzzle/sfepy,lokik/sfepy,sfepy/sfepy,lokik/sfepy