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Native version on SLES11 SP4 is too old

The ELPA1 gpu version changes from branch "ELPA_development_version_GPU"
have been integrated in the branch "ELPA_GPU".

However, at the moment these changes exist only as a comment (and are
deactivated), due to the following missing points:

- the flag useGPU must be passed along the ELPA1 function calls
- the GPU device arrays must be allocated as pointers (and not use
  the deprecated Cuda Fortran style)
- the calls to cublas have to be changed from the cublasFortran API
  to the cublas C API

The QR decomposition test program can now called with parameters for
matrix size, nev, and block size.
This closses issue #20

- Do not leak "ik", "rk", ..., parameters to use namespace
- Change required ELPA version on configure.ac of test_project

Both real and complex single-precision GPU versions are fixed now.
This closses issue #8

Michael Bankd (debian) provided a patch, which allows
to run the qr-decomposition test programs with smaller matrices, and
thus allows testing in reasonable time on limited hardware (e.g. arm
devices)

In order to make the patch work, also Makefile.am was updated

Some of the file names were too long, automake then dropped these
files when doing "make distcheck"

Apparently with "-check all" some versions of the Intel compiler
complain about the use of

  C_SIZEOF(a(1,1,1))

and similar, when a is not already allocated.

Now this is done consistently both in autoconf and automake. One can now
safely call make clean and the header files are re-generated
automatically.