update schur. The problem of swap_assign in case of assignement from real table to complex table remains and tests of that are still commented
thanks mathias swap_assign modifs and adapting scalar version all schur tests now work
small correction to complex schur scalar unit test
geneig update (generalized eigen values problem a*x= l*b*x)
 correcting geneig includes
adding some geneig calls and testing all for real inputs
unit teststs for all geneig calls
wrong manip after rebase. correcting geneig.hpp and real unit tests
useless redeclaration of selectall types