added synchron mode doc

added method documentation for synchron mode;
added set zero if synchron mode is ended
NOTE: synchron mode is untested!
modify synchronmode

modified synchron mode to get the whole idea to work;
endsynchron mode method now enters a boolean true into the buffer to
signal the task => now it is ended
added udp communication

KMC supports now udp and tcp communication to kuka robots. udp is till
now only tested with emulator... tests are following... doc following...
bugfix receiver address

now sending with right port and not high port
bugfix in xml files

several bugfixes in xml files
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