update LQuadraticEVPSolver to store solution errors in status in debug mode
update LQuadraticEVPSolver to store solution errors in status in debug mode

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