Add readme.utf8 to the distributed files

Makefile.am

@@ -7,7 +7,7 @@ EXTRA_DIST = FAQ autogen.sh Stuarts_Poly_Notes  \
 		ANALYSES BUGS AUTHORS ChangeLog \
 		DEVICES NEWS README README.tcl \
 		README.shared-xspice README.vdmos \
-		README.adms README-old.adms \
+		README.adms README-old.adms README.utf8 \
 		examples m4 visualc \
 		build-for-mac-os.sh \
 		cross-compile.sh cross-compile-shared.sh \

README.utf8

@@ -12,7 +12,7 @@ vertically, 90°, by using the Windows API or the Linux Xft library.
 Postscript plotting uses only a UNICODE subset, namely
 ISO-8859-1/ISO-8859-15, that allows extended ascii.
 
-Better looking fonts are now used for labelling the axes.
+Better looking fonts are now used for labeling the axes.
 
 Variables xbrushwidth and xgridwidth (to be set e.g. in
 .spiceinit or directly before a plot command) allow setting