Refactoring almost complete, lack of logger class, BGMres deal with restart and scaling mechanisme, then call the arnoldi procedure given in parameters. Arnoldi can be classical arnoldi, arnoldi with Incexact breakdown and Arnoldi with least square optimized.

A Main.dox page has been added, to be filled later, and the C Headers for lapack and blas ave been added to the ditribution in order for the user to build ib-bgmres-dr with blas and lapack only

Qr incremental added, IB fully functionnal, API updated, changes is naming, everything soon to be released

Modification from template over T to template over T and S, with T=S if double or float, and T!=S if complex used