replace dots in node names to avoid problems with data stream analysis
added additional debug checks
Merge branch 'master' of https://github.com/ICS-TU-Ilmenau/fog.git
redirect output of distributor to simulation log
added RootRoutingService in order to separate logging output

Log output for root routing service is now separated from the output for
the other partial routing service entities.
reduced logging output of event execution
improved feedback from register operations to caller
corrected usage description and enhanced parameter parsing
removed old code for reconstructing in step mode (old event handling)
fixed stop of rerouting experiment series if network is partitioned
cleaned up code
Aligned line breaks (issue #5)
Merge branch 'master' of https://github.com/ICS-TU-Ilmenau/fog.git