strip newlines from date call

Makefile

@@ -38,11 +38,14 @@ build-wrappers:
 	cp -r wrappers/mustache-* $(version)/
 	cp wrappers/mustache-$(version)/* $(version)
 	rm -rf wrappers
+
 	# update gh-pages with release links & travis
+
 	# add $(version)/index.html page (from template)
-	date=`date`
+	date=$(strip `date`)
 	sed -e 's|%version%|$(version)|' \
 		-e 's|%date%|$(date)' release-index.html > $(version)/index.html
+
 	# update index.html to point to $(vesion)
 	cat index.html.pre > index.html
 	for release in `ls -p | grep '/'`; do relno=`echo $$release | sed -e 's|/||'`; echo "<li><a href=\"$${release}\">$${relno}</a></li>" >> index.html; done