simple.py: --list option can list solvers, new print_solvers()
simple.py: --list option can list solvers, new print_solvers()

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