Part of issue https://github.com/owncloud/QA/issues/582 - move from Travis to drone - sort out standard CI ``Makefile`` and scripts... https://github.com/owncloud/QA/issues/582#issuecomment-444084457 - check issues #65 and #76 and make sure they are covered
Part of issue owncloud/QA#582
Makefileand scripts... Standard infrastructure for CI and devs to make and test core and apps QA#582 (comment)