Merge branch 'master' into ELPA_KNL

.gitlab-ci.yml

Makefile.am

configure.ac

man/elpa_solve_evp_complex_2stage_double.3

man/elpa_solve_evp_complex_2stage_single.3

man/elpa_solve_evp_real_2stage_double.3

man/elpa_solve_evp_real_2stage_single.3

manual_cpp

src/check_for_gpu.F90

src/cudaFunctions.cu

src/elpa1_auxiliary.F90

src/elpa1_compute_private.F90

src/elpa1_compute_template.X90

src/elpa1_merge_systems_real_template.X90

src/elpa1_solve_tridi_real_template.X90

src/elpa1_tools_template.X90

src/elpa1_trans_ev_template.X90

src/elpa1_tridiag_template.X90

src/elpa2.F90

src/elpa2_bandred_template.X90