Removed EvenModulator (obsoleted by IMapper interface)
Removed PrunedBFS, an older version of BeamSearch (unused in other parts of the code)
Added Doxygen specification and module documentation
Added doxygen-style documentation to classes with brief description, and divided into modules
Removed (unused) FastFourwayProtocol
Removed mention of FastFourwayProtocol from factories
Added python doxygen annotations
Merge branch 'master' of ssh://login.csail.mit.edu/afs/csail.mit.edu/u/y/yonch/research/wireless