fixed: mark dev(el) packages as arch independent
Merge pull request #50 from akva2/mark_indepdendent

fixed: mark dev(el) packages as arch independent
Merge branch 'master' of github.com:Ensembles/ert
Merge branch 'util-ping'
Added string_util which can parse numerical ranges like 1,2,3,5-19
Removed unneccasry cast
Added INIT_ONLY runmode for use case of only creating runpath directories
Merged run_mode == INIT_ONLY into the QC branch
Minor merge fixes