Index: branches/5.1.x/.htaccess
===================================================================
diff -u -N -r13750 -r14128
--- branches/5.1.x/.htaccess	(.../.htaccess)	(revision 13750)
+++ branches/5.1.x/.htaccess	(.../.htaccess)	(revision 14128)
@@ -6,6 +6,15 @@
   deny from all
 </Files>
 
+<IfModule mod_expires.c>
+	ExpiresActive on
+	ExpiresByType text/css "access plus 4 hours"
+	ExpiresByType application/x-javascript "access plus 4 hours"
+	ExpiresByType image/gif "access plus 4 hours"
+	ExpiresByType image/jpeg "access plus 4 hours"
+	ExpiresByType image/png "access plus 4 hours"
+</IfModule>
+
 ## Enable mod-rewrite
 RewriteEngine On