dispersion_analysis.py: new --solver-conf option
dispersion_analysis.py: new --solver-conf option

rc/sfepy,sfepy/sfepy,lokik/sfepy,BubuLK/sfepy,lokik/sfepy,lokik/sfepy,rc/sfepy,vlukes/sfepy,sfepy/sfepy,vlukes/sfepy,lokik/sfepy,rc/sfepy,sfepy/sfepy,BubuLK/sfepy,vlukes/sfepy,BubuLK/sfepy