Merge branch 'develop' of iffgit.fz-juelich.de:kkr/jukkr into develop

cmake/source_list_KKRhost.txt

cmake/source_list_KKRimp.txt

source/KKRhost/main1c.F90

source/KKRhost/main2.F90

source/KKRhost/mixnocospin.f90

source/KKRhost/rhovalnew.F90

source/KKRhost/rinput13.F90

source/KKRhost/wunfiles.F90

source/KKRimp/mixbroydenspin.f90

source/KKRimp/mixbroydenspinangle.f90

source/common/broyden.f90

source/common/global_variables.F90

source/common/mympi.F90

source/common/runoptions.F90

tests/KKRhost/test_inputs/test_15.1/nonco_angle.dat

tests/KKRhost/test_inputs/test_15.1/potential