DOCKER-30 would like dockerinit
OS-3566: imgadm: update deps, start 'import' refactor
OS-3566: imgadm: drop nopt; switch to cmdln, dashdash and tabula
OS-3566: fix 'make check'
OS-3566: refactoring imgadm import code path
OS-3566: correct errors in 'imgadm create' caused by refactoring