[INTERNAL] inlined externalized strings

Should be externalized again, but this time the data should not reside
in the de.fu_berlin.inf.dpp package

Change-Id: I96d53406f3d8794893fd492e3307d05eb3c6e65e
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1947
Tested-by: Jenkins CI
Reviewed-by: Stefan Rossbach <srossbach@arcor.de>