[INTERNAL] added TCP Transport

This is far from being finished and will be developed further.

Change-Id: I007cae939f825594967bcc7ad97f2dc9b69e8329
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1606
Tested-by: Jenkins CI
Reviewed-by: Stefan Rossbach <srossbach@arcor.de>