initialize time_stats in Newton.__call__()
initialize time_stats in Newton.__call__()

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