* Fixed a bug in 'lib/rdlivewire.cpp' that caused long LWRP
messages to be truncated.
* Refactored parser code in 'lib/rdlivewire.cpp' for greater
robustness.
* Fixed a bug in 'rdadmin/view_node_info.cpp' that caused
slots to be sorted in incorrect order.
* Renamed the 'STREAMING' column to 'ACTIVE' in
'rdadmin/view_node_info.cpp'.
* Added 'RDMatrix::SoftwareAuthority' to the 'RDMatrix::Type'
enumeration in 'lib/rdmatrix.cpp' and 'lib/rdmatrix.h'.
* Implemented a switcher driver for systems using Software Authority
Protocol in 'ripcd/swauthority.cpp' and 'ripcd/swauthority.h'.