hom: implemented parallel flow porous media micro recovery
hom: implemented parallel flow porous media micro recovery

- added add_strain_rs(), recover_paraflow()

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