slnkcctr.cpp: Added function `loadConfigFile` for loading configuration files
slnkcctr.cpp: Added support for several config files; delegated config file loading to `loadConfigFile`
slnkcctr.cpp: Added support for ostreaming vectors (for debugging)
Revert "Revert "Lots of changes!""

This reverts commit 25f3ae0aa58b4d2f4a2cb7b2007a20552e73df27.
Merge branch 'boost_revert' into boost