schroedinger: made the description of --dft more clear
schroedinger: made the description of --dft more clear

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