aligned migration script with https://github.com/globaleaks/GLBackend/commit/e681bf98850f5df81944eddb7058c51a19713f5f
aligned migration script with https://github.com/globaleaks/GLBackend/commit/e681bf98850f5df81944eddb7058c51a19713f5f

vodkina/GlobaLeaks,vodkina/GlobaLeaks,vodkina/GlobaLeaks,vodkina/GlobaLeaks