Utils/Logger: Implement dynmaic targets

Clean up all file-defines and remove all tabs

Socket/Protocols/INet: Extend INet6SocketAddress syntax to support more flexible syntax variantes (embedded v4 address, hostname + zoneid ...)
Socket/Protocols/INet: Add (linux specific) support for v6 mapped v4 multicast addresses

Console: Documentation

INet6Address(in6_addr in6a)

Socket/Protocols/INet: Fix INet6SocketAddress base classes

Packets: change *_RO field helper macros to add a private r/w accessor
senfscons: Introduce TEST_EXTRA_LIBS variable and move BOOSTFSLIB there
Socket/Protocols/INet: Make INet[46]MulticastSocketProtocol inherit MulticastSocketprotocol
Change SENF_NO_DEBUG to SENF_DEBUG

Socket/Protocols: Move incorrectly placed members from AddressableBSDSocketProtocol to BSDSocketProtocol
Socket/Protocols: Add missing DatagramSocketProtocol to some protocols
Socket/Protocols: Extend documentation of addressing classes

Adjust all senf components to use Utils/Tags.hh (if necessary)

Rename IpV[46]* -> IPv[46]*

Utils: Rename SafeBool to safe_bool (hmm ...)

Make all include path's relative
Add 'senf/Packets.hh', 'senf/PPI.hh' and 'senf/Socket.hh'

Socket/Protocols/Inet: Remove not implemented  async resolv constructors (in favor of a later non-member implementation)
Socket/Protocols/Inet: More detailed exceptions thrown by INet4Address / INet6Address

Socket/Protocols/INet: Implement INet6Network

Socket/Protocols/INet: More complete CheckINet6Address documentation

Socket/Protocols/INet: Add optional resolve-type argument to INet6 adressing classes to support IpV4 mapped addresses
Socket/Protocols/INet: removed obsolte INet6SocketAddress constructor

Socket/Protocols/Inet: Update INet6SocketAddress syntax to support hostnames and correct zone-id syntax