Update gyazowin.cpp

Adding updates from https://github.com/NuckChorris/gyazowin
Update gyazowin.cpp
Convert gyazowin.cpp to UTF-8
Convert gyazowin.rc to UTF-8
Convert stdafx.cpp to UTF-8
Convert stdafx.h to UTF-8
Merge branch utf-8 into patch-1

Conflicts:
	gyazowin/gyazowin.cpp