Updated the Makefile.

Still not quite there with a correct Makefile, but better than the last
version.

. modified:   Makefile
Started incoroporating the UML structure and design.

Experimenting with libconfig for reading/writing conf files.

. modified:   Makefile
  . Reworked the Makefile to be a bit more dynamic and to take into
    account the new classes/files.

. modified:   README.md
  . Added new dependencies (libconfig)

. modified:   bin/.gitignore

. new file:   include/Collector.hpp

. new file:   include/Pcap.hpp

. new file:   src/Collector.cpp

. new file:   src/Pcap.cpp