nseig (NonSymetricEigenvalues and revisited balance it uses. poly and rots call nseig
suppressing comments in nseig.cpp
all scalar version allow complex, but value declaration cannot be avoided
suppressing display in balance and nseig units and splitting files between commplex/real inputs
suppressing comment in geev_w.hpp as combine if not simply a tocomplex call
bad header guard in lapack_assert.hpp
suppressing uneeded includes and suppressing uneeded intermediate value
suppressing lapack_assert and replacing by lapack_verify and using it in balance and nseig
suppressing 2 params version of lapack_verify and updating nseig
Merge pull request #793 from jtlap/linalg_1_nseig

Revised nseig and balance
static extract/insert were missing for AVX
change default of NT2_EXTRA_WARNINGS to ON for GCC-like compilers
wrong swap on container_shared_ref
enforce same value type to use swap in assign_swap
update of qr. pivot_/no_pivot_ is no more usefull as the behaviour is determined by the call syntax
splitting qr test versus real/complex inputs
replacing lapack_assert by NT2_LAPACK_VERIFY in qr and adding lines to documentation
suppressing display in qr tests
suppressing unused variables
adding forgotten copyright headers to geqp3 and geqrf declaration files