Ieee80211ScramblerModule: changed getScrambling() return type.
IFECEncoder: renamed to IFECCoder.
IFECCoder, IInterleaver, IScrambler: added base classes.
IFECEncoder: getConvolutionalCode -> getForwardErrorCorrection().
ConvolutionalCoders, Interleavers, Scramblers: followed API changes.
SignalBitModel: getScramberInfo, getInterleaverInfo -> getScrambling, getInterleaving.
Ieee80211LayeredEncoder/Decoder, Ieee80211SymbolDomainTest: followed recent renamings.