* Player modules:
   - moved the debug variable out of the PlayerBase, into the modules of the sub-classes
   - fixed the debugOUT macro, not to include the getNodeAddress()
Unused signals:
   - deleted unused @statistic in the ned files
   - deleted commented signal related code in the header & source file
fixed <unspec> returned result of the findNodeAddress in CommBase
findNodeAddress
   - now update the member variable m_localAddress with the found IP address
   - with assert to make sure that there is at least one interface
assert findNodeAddress to return a specified IP address, abort otherwise
Dispatcher:
   - overloading the function sendToUDP()
   - change the function call to sendToUDP()
revise DonetStatistic:
   - commented the unused statistic variables
   - deleted the old/commented code
fixed the complains from Valgrind about emits
   - commented out the declarations @statistics which are not have emit (in DonetStatistic)
   - commented out the emit in the DonetBase
Fixed the bug at the Forwarder: should return after adding a new entry to the record list
DummyMembership won't consider the current number of partners of a node
when finding a random address for the peer
fixed the path in the script start.sh so that INET modules can be found
added a function to the Player classes (getPercentBufferLow)
added the debugOUT to the DummyMembership files, and fixed the indentation
added the function printRecvBm2() to print the status of the received BufferMap of a partner to the cosole
added the debug macro to the VideoBuffer
added the variable timeInstanceAsPartner and its get/set functions for the NeighborInfo type
PartnerList: new print2() function; modified addAddress() and removeAddress();
Donet.ini: debugging enabled for PartnerList & video buffer
debug script: using relative path for finding NED files
initialize the average chunk exchange in the NeighborInfo class