matrix was initialized outside of three diagonals

in Fortran test.F90

both fortran and C tests generated in generate_automake_test_programs.py
linker flags added by hand -- FIX this

matrix for the test not prepared (called with zero matrix)
list of gitlab tests temporarily reduced

in elpa2_bandred_template.F90

in elpa2_bandred_template

putting scripts on one place in the repository in an attempt to make
running and processing scaling tests more easy and systematic
Scripts will be further improved

But allow this in cholesky and hermitian multiply test

It is planned to add another matrix type for the tests.
The names of the prepare routines have become a bit inconsistent and
confusing. Thus the rename

This closes issue #51.

This closes issue #51.