cleaned up print_friendlist(), it now prints a message if you have _no_ friends
changed some formatting, fixed the removal of x and y
added a getopt system, with -f and -h flags
Fixed the printing of a few strings, moved some code around.
whoops, removed part of a string by accident.
Merge branch 'nTox' of https://github.com/CharmlessCoin/ProjectTox-Core into CharmlessCoin-nTox

Conflicts:
	testing/nTox.c