Align to QE 5.1 (svn revision 11016)
Fixing ELPA, now possible to link statically latest ELPA (ELPA 2013.11-v8) compiled for a specific architecture. Both single- and multi-threaded version supported.
Re-enabled pinned memory option in the configure.
cegterg/regterg routines with pinned buffers.
Removed parallel routines, no changes for CUDA included there.
Fix compile problem for phiGEMM and GNU gcc/gfortran