Fix search layout to work acceptably in all browsers

Unified emacs Local Variables

Updated documentation templates to include cross-reference
Fixed documentation build (especially regarding cleanup)
Cleaned up BUG, FIXME, TODO and IDEA items
More SocketLibrary documentation

Renaned directory satscons to senfscons

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implemented rudimentary PacketSocketHandle testing

added listen to ConnectedCommunicationPolicy
added primitive doxygen documentation
cleaned up naming of some files
fixed INetProtocol.cc (missing const modifiers)
removed SocketProtcolHelper in favor of directly inheriting SocketProtocol virtually
moved implementation of TCPv4SocketProtocol virtual methods into the base classes
added rudimentary testing of the TCPv4SocketHandle protocol interface
finalized PacketSocketHandle

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