g++/final: don't add extra code to check for buffer overflows (-fno-stack-protector)

g++/final: don't add extra code to check for buffer overflows (-fno-stack-protector)
  (this is default for debian, but not for ubuntu)
g++/final: to reduce binary sizes place each function into its own section (-ffunction-sections)
  and enable garbage collection of unused sections in the linker (--gc-sections)
PPI: reduced Route<> template instantiations
Console: removed unused detail::NodeTraverser

git-svn-id: https://svn.berlios.de/svnroot/repos/senf/trunk@1826 270642c3-0616-0410-b53a-bc976706d245