added TODO: check if service successfully registered in ros
added message_field <message_intervall> to allow client to control delay between messages from rosbridge
added notes about message_intervall and srv-file to new_opcodes.txt
cleanup tcp-server
cleanup: files, notes, some code
cleanup
preparing pull request for upstream..
preparing pull request for upstream..
preparing pull request for upstream..
preparing pull request for upstream..
Merge pull request #29 from ipa-fxm-db/advertise_service

added some tweaks