Move the menu header out of the menu.

This makes it easier for us to deal with arbitrary information at the
top, and means that headers added by specific commands don't overwrite
the default ones.

Add the fingerprint back, but broken up so it fits even on sprout's
display.

Change-Id: Id71da79ab1aa455a611d72756a3100a97ceb4c1c

minui/graphics.cpp

@@ -103,7 +103,7 @@ static void text_blend(unsigned char* src_p, int src_row_bytes,
     }
 }
 
-void gr_text(int x, int y, const char *s, int bold)
+void gr_text(int x, int y, const char *s, bool bold)
 {
     GRFont* font = gr_font;