Fixed MultiPhaseEquil::getComponents when there are more elements than species
Fixed MultiPhaseEquil::getComponents when there are more elements than species

When the atomic composition matrix is rank deficient, rows of zeros
will be formed as the elimination proceeds. These rows are now moved
to the bottom of the matrix as they are encountered, so the final
matrix is upper triangular.


Heathckliff/cantera,imitrichev/cantera,Heathckliff/cantera,Heathckliff/cantera,imitrichev/cantera,imitrichev/cantera,Heathckliff/cantera,imitrichev/cantera,imitrichev/cantera,Heathckliff/cantera,Heathckliff/cantera,imitrichev/cantera