Convert chat messages to utf-8.
UTF8 conversion implementation for Windows.
Fix server status line.
utf-8 in formspecs, drop support for builds without freetype.
Replace narrow_to_wide/wide_to_narrow with utf8 stuff in guiEngine.
Use std::string in translatePassword.
Replace wide_to_narrow with wide_to_utf8 in engine.gettext
Use utf8_to_wide in infotext display.
Convert to/from utf8 in main.cpp. Still not ideal.
Use utf8 functions in game.cpp
Replace some remaining wide_to_narrow calls.
Add notices to conversion functions in string.h
Replace narrow_to_wide with utf8_to_wide in gui*.cpp files.
Convert TOCLIENT_ACCESS_DENIED; make all error messages use utf-8.
Convert some remaining calls to narrow_to_wide.