Replaced charset property to the html5 equivalent

hkjels · hkjels · commit 2f9bb967c0b4 · 2014-05-01T14:34:30.000+02:00
Also, most html5 style-guides do not use ending slashes with
self-closing tags.
diff --git a/snippets/html.snippets b/snippets/html.snippets
@@ -449,7 +449,8 @@ snippet html5
 	<!DOCTYPE html>
 	<html>
 		<head>
-			<meta http-equiv="content-type" content="text/html; charset=utf-8" />
+			<meta charset="utf-8">
+			<meta name="viewport" content="width=device-width">
 			<title>${1:`substitute(vim_snippets#Filename('', 'Page Title'), '^.', '\u&', '')`}</title>
 			${2:meta}
 		</head>
