Offer solution for "error while loading shared libraries: libtoxcore.so.0: cannot open shared object file: No such file or directory"

Offer solution for "error while loading shared libraries: libtoxcore.so.0: cannot open shared object file: No such file or directory"
Merge pull request #51 from fr0stycl34r/patch-1

Offer solution for "error while loading shared libraries: libtoxcore.so....