added NamedSwitches class
added EunetSimulation class
fixed wrong log component settings in Makefile
fixed attribute DataRate and Delay to belong to CsmaChannelNode
implemented isConnectedToSimpleSwitch
bug fix in isConnectedToSimpleSwitch and implemented connectUpTo
unused code and members were removed
addEunetSwitch accepts # of downlink ports
Merge pull request #1 from ChikaraMorisada/EunetSwitch

Your pull request was accepted and merged EunetSwitch branch of my repository.