Add eigenvectors support in eigensolvers for symmetric/hermitian problems and generalized problems.

Add support of Frobenius norm.

Release the precision generation script used to generate the precision s, d and c from z, as well as ds from zc

Add all Fortran90 for mixed precision routines.

Add all Fortran90 wrappers to tile interface and asynchronous interface. Thanks to NAG for providing those wrappers.

Add 4 examples with Fortran90 interface provided by NAG.

Add support for all computational functions in F77 wrappers.

Fix memory leaks related to fake dependencies in dynamically scheduled algorithms.

Fix interface issues in eigensolvers routines.

Fixed returned info in PLASMA_zgetrf function

Fixed bug with matrices of size 0.

WARNING: all lapack interfaces having a T or L argument for QR or LU factorization have been changed to take a descriptor. The workspace allocation has been changed to match those requirements and all functions PLASMA_Alloc_Workspace_XXXXX_Tile are now deprecated and users are encouraged to move to the PLASMA_Alloc_Workspace_XXXXX version.