Multilingual interface support added.

All modifications are behind compileflag INTERNATIONAL,
and affect these two directories; source/blender/src and
source/blender/ftfont.

Thanks to philipp, a new utf8towchar() function is added
to Shizu's work, which fixes the international support for
OSX. It also makes the iconv library obsolete. This means
all translation files (blender.mo) need to be 'recoded' to
UTF-8, and language support in the fileselect window and
the text editor is not possible. Iconv might be added in
the future to enable these features.

source/blender/include/BIF_toolbox.h

@@ -32,7 +32,7 @@
 
 	/* TBOXX: width in pixels */
 #define TBOXXL  80
-#define TBOXXR  170
+#define TBOXXR  200
 #define TBOXX	(TBOXXL+TBOXXR)
 	/* TBOXEL: amount of element vertically */
 #define TBOXEL	14