more PETSc like assignments
petsc displays options in debug mode
petsc clean whitespace (sorry)
renamed headers in mkl solvers, preparing to add a FGMRES solver withour preconditioning
first version of an mkl iss solver (non-preconditioned FGMRES)
output fix
preliminary version of mkl iss fgmres with ilut/ilu0 preconditioning
bug fix, works well but multithreaded doesnt seem to imrove anything
Merge pull request #21 from pmaciel/master

MKL support is mostly complete, with Pardiso, DSS and non-preconditioned/ILUT/ILU0 FGMRES solvers implemented. missing is configuration options, but they'll maybe come.