Added reception cache to CachedRadioChannel.
Added channel parameters to constructors.
Changed radio id and transmission id to int.
Deleted obsolete CachedRadioChannel base class.
Added const qualifiers to IModulation.
Added modulation and bit error computation to scalar radio.
Moved cache from subclass to radio channel.
Followed recent changes with parallel radio channels.
Added a new direct radio channel test.
Cosmetics.
Changed scaling test.
Changed statistical scalar test to be more flexible.
Changed end reception timers to use vector.

Profiling showed that this change increases performance significantly.
Added low level transmission recording to radio channel.
Don't record eventlog by default in examples.

That just slows them down, especially when doing fingerprint tests.
Changed fingerprints to produce results in separate directories.
Comments.
Moved transmitPacket/receivePacket to the radio channel.

This allows doing things in a central location.
added BBN 802.11b implementation
added use_barker option