[REFACTOR] Move IDE-independent file transfer monitoring to Core

Change-Id: I03338dfe694a8db99f3c5281129f3e22df8efc80
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1508
Tested-by: Jenkins CI
Reviewed-by: Arndt Lasarzik <alasarzik@gmail.com>
Reviewed-by: Franz Zieris <zieris@inf.fu-berlin.de>