BUGFIX #34 Only block root vendor folder

Use RewriteRule instead to take in account any subfolder via RewriteBase. Deny ss-cache and composer via RewriteRule too.

Move to RewriteRules

.htaccess

@@ -20,15 +20,13 @@
 ErrorDocument 404 /assets/error-404.html
 ErrorDocument 500 /assets/error-500.html
 
-<IfModule mod_alias.c>
-	RedirectMatch 403 /silverstripe-cache(/|$)
-	RedirectMatch 403 /vendor(/|$)
-	RedirectMatch 403 /composer\.(json|lock)
-</IfModule>
-
 <IfModule mod_rewrite.c>
 	SetEnv HTTP_MOD_REWRITE On
-	RewriteEngine On
+	RewriteEngine On	
+
+	RewriteRule ^vendor(/|$) - [F,L,NC]
+	RewriteRule silverstripe-cache(/|$) - [F,L,NC]
+	RewriteRule composer\.(json|lock) - [F,L,NC]
 
 	RewriteCond %{REQUEST_URI} ^(.*)$
 	RewriteCond %{REQUEST_FILENAME} !-f